18113888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43543}}^1$

素因数の和:43566

約数の個数: 24

約数和(自身を含む): 38405808

約数和(自身を除く): 20291920

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 43543, 87086, 174172, 348344, 566059, 696688, 1132118, 1393376, 2264236, 4528472, 9056944, 18113888]

約数ペア:

[(1, 18113888), (2, 9056944), (4, 4528472), (8, 2264236), (13, 1393376), (16, 1132118), (26, 696688), (32, 566059), (52, 348344), (104, 174172), (208, 87086), (416, 43543)]