18086120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34781}}^1$

素因数の和:34805

約数の個数: 32

約数和(自身を含む): 43825320

約数和(自身を除く): 25739200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34781, 69562, 139124, 173905, 278248, 347810, 452153, 695620, 904306, 1391240, 1808612, 2260765, 3617224, 4521530, 9043060, 18086120]

約数ペア:

[(1, 18086120), (2, 9043060), (4, 4521530), (5, 3617224), (8, 2260765), (10, 1808612), (13, 1391240), (20, 904306), (26, 695620), (40, 452153), (52, 347810), (65, 278248), (104, 173905), (130, 139124), (260, 69562), (520, 34781)]