18498889725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{16007}}^1$

素因数の和:16850

約数の個数: 48

約数和(自身を含む): 32236270080

約数和(自身を除く): 13737380355

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 811, 1425, 2433, 4055, 12165, 15409, 16007, 20275, 46227, 48021, 60825, 77045, 80035, 231135, 240105, 304133, 385225, 400175, 912399, 1155675, 1200525, 1520665, 4561995, 7603325, 12981677, 22809975, 38945031, 64908385, 194725155, 246651863, 324541925, 739955589, 973625775, 1233259315, 3699777945, 6166296575, 18498889725]

約数ペア:

[(1, 18498889725), (3, 6166296575), (5, 3699777945), (15, 1233259315), (19, 973625775), (25, 739955589), (57, 324541925), (75, 246651863), (95, 194725155), (285, 64908385), (475, 38945031), (811, 22809975), (1425, 12981677), (2433, 7603325), (4055, 4561995), (12165, 1520665), (15409, 1200525), (16007, 1155675), (20275, 912399), (46227, 400175), (48021, 385225), (60825, 304133), (77045, 240105), (80035, 231135)]