18417750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1889}}^1$

素因数の和:1922

約数の個数: 64

約数和(自身を含む): 49533120

約数和(自身を除く): 31115370

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1889, 1950, 3250, 3778, 4875, 5667, 9445, 9750, 11334, 18890, 24557, 28335, 47225, 49114, 56670, 73671, 94450, 122785, 141675, 147342, 236125, 245570, 283350, 368355, 472250, 613925, 708375, 736710, 1227850, 1416750, 1841775, 3069625, 3683550, 6139250, 9208875, 18417750]

約数ペア:

[(1, 18417750), (2, 9208875), (3, 6139250), (5, 3683550), (6, 3069625), (10, 1841775), (13, 1416750), (15, 1227850), (25, 736710), (26, 708375), (30, 613925), (39, 472250), (50, 368355), (65, 283350), (75, 245570), (78, 236125), (125, 147342), (130, 141675), (150, 122785), (195, 94450), (250, 73671), (325, 56670), (375, 49114), (390, 47225), (650, 28335), (750, 24557), (975, 18890), (1625, 11334), (1889, 9750), (1950, 9445), (3250, 5667), (3778, 4875)]