19257460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8521}}^1$

素因数の和:8643

約数の個数: 24

約数和(自身を含む): 40803336

約数和(自身を除く): 21545876

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8521, 17042, 34084, 42605, 85210, 170420, 962873, 1925746, 3851492, 4814365, 9628730, 19257460]

約数ペア:

[(1, 19257460), (2, 9628730), (4, 4814365), (5, 3851492), (10, 1925746), (20, 962873), (113, 170420), (226, 85210), (452, 42605), (565, 34084), (1130, 17042), (2260, 8521)]