156983704820

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{18733139}}^1$

素因数の和:18733567

約数の個数: 24

約数和(自身を含む): 330452589600

約数和(自身を除く): 173468884780

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 18733139, 37466278, 74932556, 93665695, 187331390, 374662780, 7849185241, 15698370482, 31396740964, 39245926205, 78491852410, 156983704820]

約数ペア:

[(1, 156983704820), (2, 78491852410), (4, 39245926205), (5, 31396740964), (10, 15698370482), (20, 7849185241), (419, 374662780), (838, 187331390), (1676, 93665695), (2095, 74932556), (4190, 37466278), (8380, 18733139)]