19851300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:187

約数の個数: 216

約数和(自身を含む): 74745216

約数和(自身を除く): 54893916

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 25, 28, 30, 35, 36, 42, 45, 46, 50, 60, 63, 69, 70, 75, 84, 90, 92, 100, 105, 115, 126, 137, 138, 140, 150, 161, 175, 180, 207, 210, 225, 230, 252, 274, 276, 300, 315, 322, 345, 350, 411, 414, 420, 450, 460, 483, 525, 548, 575, 630, 644, 685, 690, 700, 805, 822, 828, 900, 959, 966, 1035, 1050, 1150, 1233, 1260, 1370, 1380, 1449, 1575, 1610, 1644, 1725, 1918, 1932, 2055, 2070, 2100, 2300, 2415, 2466, 2740, 2877, 2898, 3150, 3151, 3220, 3425, 3450, 3836, 4025, 4110, 4140, 4795, 4830, 4932, 5175, 5754, 5796, 6165, 6300, 6302, 6850, 6900, 7245, 8050, 8220, 8631, 9453, 9590, 9660, 10275, 10350, 11508, 12075, 12330, 12604, 13700, 14385, 14490, 15755, 16100, 17262, 18906, 19180, 20550, 20700, 22057, 23975, 24150, 24660, 28359, 28770, 28980, 30825, 31510, 34524, 36225, 37812, 41100, 43155, 44114, 47265, 47950, 48300, 56718, 57540, 61650, 63020, 66171, 71925, 72450, 78775, 86310, 88228, 94530, 95900, 110285, 113436, 123300, 132342, 141795, 143850, 144900, 157550, 172620, 189060, 198513, 215775, 220570, 236325, 264684, 283590, 287700, 315100, 330855, 397026, 431550, 441140, 472650, 551425, 567180, 661710, 708975, 794052, 863100, 945300, 992565, 1102850, 1323420, 1417950, 1654275, 1985130, 2205700, 2835900, 3308550, 3970260, 4962825, 6617100, 9925650, 19851300]

約数ペア:

[(1, 19851300), (2, 9925650), (3, 6617100), (4, 4962825), (5, 3970260), (6, 3308550), (7, 2835900), (9, 2205700), (10, 1985130), (12, 1654275), (14, 1417950), (15, 1323420), (18, 1102850), (20, 992565), (21, 945300), (23, 863100), (25, 794052), (28, 708975), (30, 661710), (35, 567180), (36, 551425), (42, 472650), (45, 441140), (46, 431550), (50, 397026), (60, 330855), (63, 315100), (69, 287700), (70, 283590), (75, 264684), (84, 236325), (90, 220570), (92, 215775), (100, 198513), (105, 189060), (115, 172620), (126, 157550), (137, 144900), (138, 143850), (140, 141795), (150, 132342), (161, 123300), (175, 113436), (180, 110285), (207, 95900), (210, 94530), (225, 88228), (230, 86310), (252, 78775), (274, 72450), (276, 71925), (300, 66171), (315, 63020), (322, 61650), (345, 57540), (350, 56718), (411, 48300), (414, 47950), (420, 47265), (450, 44114), (460, 43155), (483, 41100), (525, 37812), (548, 36225), (575, 34524), (630, 31510), (644, 30825), (685, 28980), (690, 28770), (700, 28359), (805, 24660), (822, 24150), (828, 23975), (900, 22057), (959, 20700), (966, 20550), (1035, 19180), (1050, 18906), (1150, 17262), (1233, 16100), (1260, 15755), (1370, 14490), (1380, 14385), (1449, 13700), (1575, 12604), (1610, 12330), (1644, 12075), (1725, 11508), (1918, 10350), (1932, 10275), (2055, 9660), (2070, 9590), (2100, 9453), (2300, 8631), (2415, 8220), (2466, 8050), (2740, 7245), (2877, 6900), (2898, 6850), (3150, 6302), (3151, 6300), (3220, 6165), (3425, 5796), (3450, 5754), (3836, 5175), (4025, 4932), (4110, 4830), (4140, 4795)]