18880452380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49685401}}^1$

素因数の和:49685429

約数の個数: 24

約数和(自身を含む): 41735737680

約数和(自身を除く): 22855285300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49685401, 99370802, 198741604, 248427005, 496854010, 944022619, 993708020, 1888045238, 3776090476, 4720113095, 9440226190, 18880452380]

約数ペア:

[(1, 18880452380), (2, 9440226190), (4, 4720113095), (5, 3776090476), (10, 1888045238), (19, 993708020), (20, 944022619), (38, 496854010), (76, 248427005), (95, 198741604), (190, 99370802), (380, 49685401)]