18121090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139393}}^1$

素因数の和:139413

約数の個数: 16

約数和(自身を含む): 35127288

約数和(自身を除く): 17006198

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139393, 278786, 696965, 1393930, 1812109, 3624218, 9060545, 18121090]

約数ペア:

[(1, 18121090), (2, 9060545), (5, 3624218), (10, 1812109), (13, 1393930), (26, 696965), (65, 278786), (130, 139393)]