19495125

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 39975936

約数和(自身を除く): 20480811

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 43, 45, 65, 75, 93, 117, 125, 129, 155, 195, 215, 225, 279, 325, 375, 387, 403, 465, 559, 585, 645, 775, 975, 1075, 1125, 1209, 1333, 1395, 1625, 1677, 1935, 2015, 2325, 2795, 2925, 3225, 3627, 3875, 3999, 4875, 5031, 5375, 6045, 6665, 6975, 8385, 9675, 10075, 11625, 11997, 13975, 14625, 16125, 17329, 18135, 19995, 25155, 30225, 33325, 34875, 41925, 48375, 50375, 51987, 59985, 69875, 86645, 90675, 99975, 125775, 151125, 155961, 166625, 209625, 259935, 299925, 433225, 453375, 499875, 628875, 779805, 1299675, 1499625, 2166125, 3899025, 6498375, 19495125]

約数ペア:

[(1, 19495125), (3, 6498375), (5, 3899025), (9, 2166125), (13, 1499625), (15, 1299675), (25, 779805), (31, 628875), (39, 499875), (43, 453375), (45, 433225), (65, 299925), (75, 259935), (93, 209625), (117, 166625), (125, 155961), (129, 151125), (155, 125775), (195, 99975), (215, 90675), (225, 86645), (279, 69875), (325, 59985), (375, 51987), (387, 50375), (403, 48375), (465, 41925), (559, 34875), (585, 33325), (645, 30225), (775, 25155), (975, 19995), (1075, 18135), (1125, 17329), (1209, 16125), (1333, 14625), (1395, 13975), (1625, 11997), (1677, 11625), (1935, 10075), (2015, 9675), (2325, 8385), (2795, 6975), (2925, 6665), (3225, 6045), (3627, 5375), (3875, 5031), (3999, 4875)]