18742020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 58181760

約数和(自身を除く): 39439740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 73, 110, 132, 146, 165, 219, 220, 292, 330, 365, 389, 438, 660, 730, 778, 803, 876, 1095, 1167, 1460, 1556, 1606, 1945, 2190, 2334, 2409, 3212, 3890, 4015, 4279, 4380, 4668, 4818, 5835, 7780, 8030, 8558, 9636, 11670, 12045, 12837, 16060, 17116, 21395, 23340, 24090, 25674, 28397, 42790, 48180, 51348, 56794, 64185, 85191, 85580, 113588, 128370, 141985, 170382, 256740, 283970, 312367, 340764, 425955, 567940, 624734, 851910, 937101, 1249468, 1561835, 1703820, 1874202, 3123670, 3748404, 4685505, 6247340, 9371010, 18742020]

約数ペア:

[(1, 18742020), (2, 9371010), (3, 6247340), (4, 4685505), (5, 3748404), (6, 3123670), (10, 1874202), (11, 1703820), (12, 1561835), (15, 1249468), (20, 937101), (22, 851910), (30, 624734), (33, 567940), (44, 425955), (55, 340764), (60, 312367), (66, 283970), (73, 256740), (110, 170382), (132, 141985), (146, 128370), (165, 113588), (219, 85580), (220, 85191), (292, 64185), (330, 56794), (365, 51348), (389, 48180), (438, 42790), (660, 28397), (730, 25674), (778, 24090), (803, 23340), (876, 21395), (1095, 17116), (1167, 16060), (1460, 12837), (1556, 12045), (1606, 11670), (1945, 9636), (2190, 8558), (2334, 8030), (2409, 7780), (3212, 5835), (3890, 4818), (4015, 4668), (4279, 4380)]