19811844

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 56259840

約数和(自身を除く): 36447996

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 103, 108, 117, 137, 156, 206, 234, 274, 309, 351, 411, 412, 468, 548, 618, 702, 822, 927, 1233, 1236, 1339, 1404, 1644, 1781, 1854, 2466, 2678, 2781, 3562, 3699, 3708, 4017, 4932, 5343, 5356, 5562, 7124, 7398, 8034, 10686, 11124, 12051, 14111, 14796, 16029, 16068, 21372, 24102, 28222, 32058, 36153, 42333, 48087, 48204, 56444, 64116, 72306, 84666, 96174, 126999, 144612, 169332, 183443, 192348, 253998, 366886, 380997, 507996, 550329, 733772, 761994, 1100658, 1523988, 1650987, 2201316, 3301974, 4952961, 6603948, 9905922, 19811844]

約数ペア:

[(1, 19811844), (2, 9905922), (3, 6603948), (4, 4952961), (6, 3301974), (9, 2201316), (12, 1650987), (13, 1523988), (18, 1100658), (26, 761994), (27, 733772), (36, 550329), (39, 507996), (52, 380997), (54, 366886), (78, 253998), (103, 192348), (108, 183443), (117, 169332), (137, 144612), (156, 126999), (206, 96174), (234, 84666), (274, 72306), (309, 64116), (351, 56444), (411, 48204), (412, 48087), (468, 42333), (548, 36153), (618, 32058), (702, 28222), (822, 24102), (927, 21372), (1233, 16068), (1236, 16029), (1339, 14796), (1404, 14111), (1644, 12051), (1781, 11124), (1854, 10686), (2466, 8034), (2678, 7398), (2781, 7124), (3562, 5562), (3699, 5356), (3708, 5343), (4017, 4932)]