18622500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 58781184

約数和(自身を除く): 40158684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 191, 195, 250, 260, 300, 325, 375, 382, 390, 500, 573, 625, 650, 750, 764, 780, 955, 975, 1146, 1250, 1300, 1500, 1625, 1875, 1910, 1950, 2292, 2483, 2500, 2865, 3250, 3750, 3820, 3900, 4775, 4875, 4966, 5730, 6500, 7449, 7500, 8125, 9550, 9750, 9932, 11460, 12415, 14325, 14898, 16250, 19100, 19500, 23875, 24375, 24830, 28650, 29796, 32500, 37245, 47750, 48750, 49660, 57300, 62075, 71625, 74490, 95500, 97500, 119375, 124150, 143250, 148980, 186225, 238750, 248300, 286500, 310375, 358125, 372450, 477500, 620750, 716250, 744900, 931125, 1241500, 1432500, 1551875, 1862250, 3103750, 3724500, 4655625, 6207500, 9311250, 18622500]

約数ペア:

[(1, 18622500), (2, 9311250), (3, 6207500), (4, 4655625), (5, 3724500), (6, 3103750), (10, 1862250), (12, 1551875), (13, 1432500), (15, 1241500), (20, 931125), (25, 744900), (26, 716250), (30, 620750), (39, 477500), (50, 372450), (52, 358125), (60, 310375), (65, 286500), (75, 248300), (78, 238750), (100, 186225), (125, 148980), (130, 143250), (150, 124150), (156, 119375), (191, 97500), (195, 95500), (250, 74490), (260, 71625), (300, 62075), (325, 57300), (375, 49660), (382, 48750), (390, 47750), (500, 37245), (573, 32500), (625, 29796), (650, 28650), (750, 24830), (764, 24375), (780, 23875), (955, 19500), (975, 19100), (1146, 16250), (1250, 14898), (1300, 14325), (1500, 12415), (1625, 11460), (1875, 9932), (1910, 9750), (1950, 9550), (2292, 8125), (2483, 7500), (2500, 7449), (2865, 6500), (3250, 5730), (3750, 4966), (3820, 4875), (3900, 4775)]