18822840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{691}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 56799360

約数和(自身を除く): 37976520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 227, 454, 681, 691, 908, 1135, 1362, 1382, 1816, 2073, 2270, 2724, 2764, 3405, 3455, 4146, 4540, 5448, 5528, 6810, 6910, 8292, 9080, 10365, 13620, 13820, 16584, 20730, 27240, 27640, 41460, 82920, 156857, 313714, 470571, 627428, 784285, 941142, 1254856, 1568570, 1882284, 2352855, 3137140, 3764568, 4705710, 6274280, 9411420, 18822840]

約数ペア:

[(1, 18822840), (2, 9411420), (3, 6274280), (4, 4705710), (5, 3764568), (6, 3137140), (8, 2352855), (10, 1882284), (12, 1568570), (15, 1254856), (20, 941142), (24, 784285), (30, 627428), (40, 470571), (60, 313714), (120, 156857), (227, 82920), (454, 41460), (681, 27640), (691, 27240), (908, 20730), (1135, 16584), (1362, 13820), (1382, 13620), (1816, 10365), (2073, 9080), (2270, 8292), (2724, 6910), (2764, 6810), (3405, 5528), (3455, 5448), (4146, 4540)]