19459360

素因数分解:

$2^5\times 5^1\times {\mathrm{121621}}^1$

素因数の和:121636

約数の個数: 24

約数和(自身を含む): 45973116

約数和(自身を除く): 26513756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121621, 243242, 486484, 608105, 972968, 1216210, 1945936, 2432420, 3891872, 4864840, 9729680, 19459360]

約数ペア:

[(1, 19459360), (2, 9729680), (4, 4864840), (5, 3891872), (8, 2432420), (10, 1945936), (16, 1216210), (20, 972968), (32, 608105), (40, 486484), (80, 243242), (160, 121621)]