16911900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 216

約数和(自身を含む): 59579520

約数和(自身を除く): 42667620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 25, 30, 36, 38, 43, 45, 46, 50, 57, 60, 69, 75, 76, 86, 90, 92, 95, 100, 114, 115, 129, 138, 150, 171, 172, 180, 190, 207, 215, 225, 228, 230, 258, 276, 285, 300, 342, 345, 380, 387, 414, 430, 437, 450, 460, 475, 516, 570, 575, 645, 684, 690, 774, 817, 828, 855, 860, 874, 900, 950, 989, 1035, 1075, 1140, 1150, 1290, 1311, 1380, 1425, 1548, 1634, 1710, 1725, 1748, 1900, 1935, 1978, 2070, 2150, 2185, 2300, 2451, 2580, 2622, 2850, 2967, 3225, 3268, 3420, 3450, 3870, 3933, 3956, 4085, 4140, 4275, 4300, 4370, 4902, 4945, 5175, 5244, 5700, 5934, 6450, 6555, 6900, 7353, 7740, 7866, 8170, 8550, 8740, 8901, 9675, 9804, 9890, 10350, 10925, 11868, 12255, 12900, 13110, 14706, 14835, 15732, 16340, 17100, 17802, 18791, 19350, 19665, 19780, 20425, 20700, 21850, 24510, 24725, 26220, 29412, 29670, 32775, 35604, 36765, 37582, 38700, 39330, 40850, 43700, 44505, 49020, 49450, 56373, 59340, 61275, 65550, 73530, 74175, 75164, 78660, 81700, 89010, 93955, 98325, 98900, 112746, 122550, 131100, 147060, 148350, 169119, 178020, 183825, 187910, 196650, 222525, 225492, 245100, 281865, 296700, 338238, 367650, 375820, 393300, 445050, 469775, 563730, 676476, 735300, 845595, 890100, 939550, 1127460, 1409325, 1691190, 1879100, 2818650, 3382380, 4227975, 5637300, 8455950, 16911900]

約数ペア:

[(1, 16911900), (2, 8455950), (3, 5637300), (4, 4227975), (5, 3382380), (6, 2818650), (9, 1879100), (10, 1691190), (12, 1409325), (15, 1127460), (18, 939550), (19, 890100), (20, 845595), (23, 735300), (25, 676476), (30, 563730), (36, 469775), (38, 445050), (43, 393300), (45, 375820), (46, 367650), (50, 338238), (57, 296700), (60, 281865), (69, 245100), (75, 225492), (76, 222525), (86, 196650), (90, 187910), (92, 183825), (95, 178020), (100, 169119), (114, 148350), (115, 147060), (129, 131100), (138, 122550), (150, 112746), (171, 98900), (172, 98325), (180, 93955), (190, 89010), (207, 81700), (215, 78660), (225, 75164), (228, 74175), (230, 73530), (258, 65550), (276, 61275), (285, 59340), (300, 56373), (342, 49450), (345, 49020), (380, 44505), (387, 43700), (414, 40850), (430, 39330), (437, 38700), (450, 37582), (460, 36765), (475, 35604), (516, 32775), (570, 29670), (575, 29412), (645, 26220), (684, 24725), (690, 24510), (774, 21850), (817, 20700), (828, 20425), (855, 19780), (860, 19665), (874, 19350), (900, 18791), (950, 17802), (989, 17100), (1035, 16340), (1075, 15732), (1140, 14835), (1150, 14706), (1290, 13110), (1311, 12900), (1380, 12255), (1425, 11868), (1548, 10925), (1634, 10350), (1710, 9890), (1725, 9804), (1748, 9675), (1900, 8901), (1935, 8740), (1978, 8550), (2070, 8170), (2150, 7866), (2185, 7740), (2300, 7353), (2451, 6900), (2580, 6555), (2622, 6450), (2850, 5934), (2967, 5700), (3225, 5244), (3268, 5175), (3420, 4945), (3450, 4902), (3870, 4370), (3933, 4300), (3956, 4275), (4085, 4140)]