18963173915

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1753}}^1\times {\mathrm{16267}}^1$

素因数の和:18051

約数の個数: 32

約数和(自身を含む): 27392709120

約数和(自身を除く): 8429535205

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 1753, 8765, 12271, 16267, 33307, 61355, 81335, 113869, 166535, 233149, 309073, 569345, 1165745, 1545365, 2163511, 10817555, 28516051, 142580255, 199612357, 541804969, 998061785, 2709024845, 3792634783, 18963173915]

約数ペア:

[(1, 18963173915), (5, 3792634783), (7, 2709024845), (19, 998061785), (35, 541804969), (95, 199612357), (133, 142580255), (665, 28516051), (1753, 10817555), (8765, 2163511), (12271, 1545365), (16267, 1165745), (33307, 569345), (61355, 309073), (81335, 233149), (113869, 166535)]