19216460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56519}}^1$

素因数の和:56545

約数の個数: 24

約数和(自身を含む): 42729120

約数和(自身を除く): 23512660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56519, 113038, 226076, 282595, 565190, 960823, 1130380, 1921646, 3843292, 4804115, 9608230, 19216460]

約数ペア:

[(1, 19216460), (2, 9608230), (4, 4804115), (5, 3843292), (10, 1921646), (17, 1130380), (20, 960823), (34, 565190), (68, 282595), (85, 226076), (170, 113038), (340, 56519)]