18688072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179693}}^1$

素因数の和:179712

約数の個数: 16

約数和(自身を含む): 37735740

約数和(自身を除く): 19047668

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179693, 359386, 718772, 1437544, 2336009, 4672018, 9344036, 18688072]

約数ペア:

[(1, 18688072), (2, 9344036), (4, 4672018), (8, 2336009), (13, 1437544), (26, 718772), (52, 359386), (104, 179693)]