19372340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74509}}^1$

素因数の和:74531

約数の個数: 24

約数和(自身を含む): 43811880

約数和(自身を除く): 24439540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74509, 149018, 298036, 372545, 745090, 968617, 1490180, 1937234, 3874468, 4843085, 9686170, 19372340]

約数ペア:

[(1, 19372340), (2, 9686170), (4, 4843085), (5, 3874468), (10, 1937234), (13, 1490180), (20, 968617), (26, 745090), (52, 372545), (65, 298036), (130, 149018), (260, 74509)]