19005655640

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1133989}}^1$

素因数の和:1134419

約数の個数: 32

約数和(自身を含む): 42864822000

約数和(自身を除く): 23859166360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 1133989, 2267978, 4535956, 5669945, 9071912, 11339890, 22679780, 45359560, 475141391, 950282782, 1900565564, 2375706955, 3801131128, 4751413910, 9502827820, 19005655640]

約数ペア:

[(1, 19005655640), (2, 9502827820), (4, 4751413910), (5, 3801131128), (8, 2375706955), (10, 1900565564), (20, 950282782), (40, 475141391), (419, 45359560), (838, 22679780), (1676, 11339890), (2095, 9071912), (3352, 5669945), (4190, 4535956), (8380, 2267978), (16760, 1133989)]