19703140

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2137}}^1$

素因数の和:2607

約数の個数: 24

約数和(自身を含む): 41485752

約数和(自身を除く): 21782612

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2137, 2305, 4274, 4610, 8548, 9220, 10685, 21370, 42740, 985157, 1970314, 3940628, 4925785, 9851570, 19703140]

約数ペア:

[(1, 19703140), (2, 9851570), (4, 4925785), (5, 3940628), (10, 1970314), (20, 985157), (461, 42740), (922, 21370), (1844, 10685), (2137, 9220), (2305, 8548), (4274, 4610)]