18807750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:679

約数の個数: 96

約数和(自身を含む): 54853344

約数和(自身を除く): 36045594

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 125, 130, 150, 195, 225, 234, 250, 325, 375, 390, 450, 585, 643, 650, 750, 975, 1125, 1170, 1286, 1625, 1929, 1950, 2250, 2925, 3215, 3250, 3858, 4875, 5787, 5850, 6430, 8359, 9645, 9750, 11574, 14625, 16075, 16718, 19290, 25077, 28935, 29250, 32150, 41795, 48225, 50154, 57870, 75231, 80375, 83590, 96450, 125385, 144675, 150462, 160750, 208975, 241125, 250770, 289350, 376155, 417950, 482250, 626925, 723375, 752310, 1044875, 1253850, 1446750, 1880775, 2089750, 3134625, 3761550, 6269250, 9403875, 18807750]

約数ペア:

[(1, 18807750), (2, 9403875), (3, 6269250), (5, 3761550), (6, 3134625), (9, 2089750), (10, 1880775), (13, 1446750), (15, 1253850), (18, 1044875), (25, 752310), (26, 723375), (30, 626925), (39, 482250), (45, 417950), (50, 376155), (65, 289350), (75, 250770), (78, 241125), (90, 208975), (117, 160750), (125, 150462), (130, 144675), (150, 125385), (195, 96450), (225, 83590), (234, 80375), (250, 75231), (325, 57870), (375, 50154), (390, 48225), (450, 41795), (585, 32150), (643, 29250), (650, 28935), (750, 25077), (975, 19290), (1125, 16718), (1170, 16075), (1286, 14625), (1625, 11574), (1929, 9750), (1950, 9645), (2250, 8359), (2925, 6430), (3215, 5850), (3250, 5787), (3858, 4875)]