18663580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3121}}^1$

素因数の和:3166

約数の個数: 48

約数和(自身を含む): 44057664

約数和(自身を除く): 25394084

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3121, 5980, 6242, 12484, 15605, 31210, 40573, 62420, 71783, 81146, 143566, 162292, 202865, 287132, 358915, 405730, 717830, 811460, 933179, 1435660, 1866358, 3732716, 4665895, 9331790, 18663580]

約数ペア:

[(1, 18663580), (2, 9331790), (4, 4665895), (5, 3732716), (10, 1866358), (13, 1435660), (20, 933179), (23, 811460), (26, 717830), (46, 405730), (52, 358915), (65, 287132), (92, 202865), (115, 162292), (130, 143566), (230, 81146), (260, 71783), (299, 62420), (460, 40573), (598, 31210), (1196, 15605), (1495, 12484), (2990, 6242), (3121, 5980)]