19853100

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 216

約数和(自身を含む): 69509440

約数和(自身を除く): 49656340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 43, 45, 50, 54, 57, 60, 75, 76, 81, 86, 90, 95, 100, 108, 114, 129, 135, 150, 162, 171, 172, 180, 190, 215, 225, 228, 243, 258, 270, 285, 300, 324, 342, 380, 387, 405, 430, 450, 475, 486, 513, 516, 540, 570, 645, 675, 684, 774, 810, 817, 855, 860, 900, 950, 972, 1026, 1075, 1140, 1161, 1215, 1290, 1350, 1425, 1539, 1548, 1620, 1634, 1710, 1900, 1935, 2025, 2052, 2150, 2322, 2430, 2451, 2565, 2580, 2700, 2850, 3078, 3225, 3268, 3420, 3483, 3870, 4050, 4085, 4275, 4300, 4617, 4644, 4860, 4902, 5130, 5700, 5805, 6075, 6156, 6450, 6966, 7353, 7695, 7740, 8100, 8170, 8550, 9234, 9675, 9804, 10260, 10449, 11610, 12150, 12255, 12825, 12900, 13932, 14706, 15390, 16340, 17100, 17415, 18468, 19350, 20425, 20898, 22059, 23085, 23220, 24300, 24510, 25650, 29025, 29412, 30780, 34830, 36765, 38475, 38700, 40850, 41796, 44118, 46170, 49020, 51300, 52245, 58050, 61275, 66177, 69660, 73530, 76950, 81700, 87075, 88236, 92340, 104490, 110295, 115425, 116100, 122550, 132354, 147060, 153900, 174150, 183825, 198531, 208980, 220590, 230850, 245100, 261225, 264708, 330885, 348300, 367650, 397062, 441180, 461700, 522450, 551475, 661770, 735300, 794124, 992655, 1044900, 1102950, 1323540, 1654425, 1985310, 2205900, 3308850, 3970620, 4963275, 6617700, 9926550, 19853100]

約数ペア:

[(1, 19853100), (2, 9926550), (3, 6617700), (4, 4963275), (5, 3970620), (6, 3308850), (9, 2205900), (10, 1985310), (12, 1654425), (15, 1323540), (18, 1102950), (19, 1044900), (20, 992655), (25, 794124), (27, 735300), (30, 661770), (36, 551475), (38, 522450), (43, 461700), (45, 441180), (50, 397062), (54, 367650), (57, 348300), (60, 330885), (75, 264708), (76, 261225), (81, 245100), (86, 230850), (90, 220590), (95, 208980), (100, 198531), (108, 183825), (114, 174150), (129, 153900), (135, 147060), (150, 132354), (162, 122550), (171, 116100), (172, 115425), (180, 110295), (190, 104490), (215, 92340), (225, 88236), (228, 87075), (243, 81700), (258, 76950), (270, 73530), (285, 69660), (300, 66177), (324, 61275), (342, 58050), (380, 52245), (387, 51300), (405, 49020), (430, 46170), (450, 44118), (475, 41796), (486, 40850), (513, 38700), (516, 38475), (540, 36765), (570, 34830), (645, 30780), (675, 29412), (684, 29025), (774, 25650), (810, 24510), (817, 24300), (855, 23220), (860, 23085), (900, 22059), (950, 20898), (972, 20425), (1026, 19350), (1075, 18468), (1140, 17415), (1161, 17100), (1215, 16340), (1290, 15390), (1350, 14706), (1425, 13932), (1539, 12900), (1548, 12825), (1620, 12255), (1634, 12150), (1710, 11610), (1900, 10449), (1935, 10260), (2025, 9804), (2052, 9675), (2150, 9234), (2322, 8550), (2430, 8170), (2451, 8100), (2565, 7740), (2580, 7695), (2700, 7353), (2850, 6966), (3078, 6450), (3225, 6156), (3268, 6075), (3420, 5805), (3483, 5700), (3870, 5130), (4050, 4902), (4085, 4860), (4275, 4644), (4300, 4617)]