18784216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1889}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 38782800

約数和(自身を除く): 19998584

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 1889, 2486, 3778, 4972, 7556, 9944, 15112, 20779, 41558, 83116, 166232, 213457, 426914, 853828, 1707656, 2348027, 4696054, 9392108, 18784216]

約数ペア:

[(1, 18784216), (2, 9392108), (4, 4696054), (8, 2348027), (11, 1707656), (22, 853828), (44, 426914), (88, 213457), (113, 166232), (226, 83116), (452, 41558), (904, 20779), (1243, 15112), (1889, 9944), (2486, 7556), (3778, 4972)]