19494410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8821}}^1$

素因数の和:8858

約数の個数: 32

約数和(自身を含む): 40016592

約数和(自身を除く): 20522182

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8821, 17642, 44105, 88210, 114673, 149957, 229346, 299914, 573365, 749785, 1146730, 1499570, 1949441, 3898882, 9747205, 19494410]

約数ペア:

[(1, 19494410), (2, 9747205), (5, 3898882), (10, 1949441), (13, 1499570), (17, 1146730), (26, 749785), (34, 573365), (65, 299914), (85, 229346), (130, 149957), (170, 114673), (221, 88210), (442, 44105), (1105, 17642), (2210, 8821)]