18930993886

素因数分解:

$2^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{1289}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 33684480000

約数和(自身を除く): 14753486114

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 271, 343, 542, 553, 686, 1106, 1289, 1897, 2578, 3794, 3871, 7742, 9023, 13279, 18046, 21409, 26558, 27097, 42818, 54194, 63161, 92953, 101831, 126322, 149863, 185906, 203662, 299726, 349319, 442127, 698638, 712817, 884254, 1049041, 1425634, 2098082, 2445233, 4890466, 4989719, 7343287, 9979438, 14686574, 17116631, 27596201, 34233262, 34928033, 55192402, 69856066, 119816417, 193173407, 239632834, 386346814, 1352213849, 2704427698, 9465496943, 18930993886]

約数ペア:

[(1, 18930993886), (2, 9465496943), (7, 2704427698), (14, 1352213849), (49, 386346814), (79, 239632834), (98, 193173407), (158, 119816417), (271, 69856066), (343, 55192402), (542, 34928033), (553, 34233262), (686, 27596201), (1106, 17116631), (1289, 14686574), (1897, 9979438), (2578, 7343287), (3794, 4989719), (3871, 4890466), (7742, 2445233), (9023, 2098082), (13279, 1425634), (18046, 1049041), (21409, 884254), (26558, 712817), (27097, 698638), (42818, 442127), (54194, 349319), (63161, 299726), (92953, 203662), (101831, 185906), (126322, 149863)]