19621875

素因数分解:

$3^1\times 5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 96

約数和(自身を含む): 41997312

約数和(自身を除く): 22375437

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 25, 35, 39, 65, 69, 75, 91, 105, 115, 125, 161, 175, 195, 273, 299, 325, 345, 375, 455, 483, 525, 575, 625, 805, 875, 897, 975, 1365, 1495, 1625, 1725, 1875, 2093, 2275, 2415, 2625, 2875, 3125, 4025, 4375, 4485, 4875, 6279, 6825, 7475, 8125, 8625, 9375, 10465, 11375, 12075, 13125, 14375, 20125, 21875, 22425, 24375, 31395, 34125, 37375, 40625, 43125, 52325, 56875, 60375, 65625, 71875, 100625, 112125, 121875, 156975, 170625, 186875, 215625, 261625, 284375, 301875, 503125, 560625, 784875, 853125, 934375, 1308125, 1509375, 2803125, 3924375, 6540625, 19621875]

約数ペア:

[(1, 19621875), (3, 6540625), (5, 3924375), (7, 2803125), (13, 1509375), (15, 1308125), (21, 934375), (23, 853125), (25, 784875), (35, 560625), (39, 503125), (65, 301875), (69, 284375), (75, 261625), (91, 215625), (105, 186875), (115, 170625), (125, 156975), (161, 121875), (175, 112125), (195, 100625), (273, 71875), (299, 65625), (325, 60375), (345, 56875), (375, 52325), (455, 43125), (483, 40625), (525, 37375), (575, 34125), (625, 31395), (805, 24375), (875, 22425), (897, 21875), (975, 20125), (1365, 14375), (1495, 13125), (1625, 12075), (1725, 11375), (1875, 10465), (2093, 9375), (2275, 8625), (2415, 8125), (2625, 7475), (2875, 6825), (3125, 6279), (4025, 4875), (4375, 4485)]