19862018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2309}}^1$

素因数の和:2362

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 16063102

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 187, 253, 374, 391, 506, 782, 2309, 4301, 4618, 8602, 25399, 39253, 50798, 53107, 78506, 106214, 431783, 584177, 863566, 902819, 1168354, 1805638, 9931009, 19862018]

約数ペア:

[(1, 19862018), (2, 9931009), (11, 1805638), (17, 1168354), (22, 902819), (23, 863566), (34, 584177), (46, 431783), (187, 106214), (253, 78506), (374, 53107), (391, 50798), (506, 39253), (782, 25399), (2309, 8602), (4301, 4618)]