18564436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 36

約数和(自身を含む): 36400896

約数和(自身を除く): 17836460

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 191, 382, 517, 764, 1034, 2068, 2101, 2209, 4202, 4418, 8404, 8836, 8977, 17954, 24299, 35908, 48598, 97196, 98747, 197494, 394988, 421919, 843838, 1687676, 4641109, 9282218, 18564436]

約数ペア:

[(1, 18564436), (2, 9282218), (4, 4641109), (11, 1687676), (22, 843838), (44, 421919), (47, 394988), (94, 197494), (188, 98747), (191, 97196), (382, 48598), (517, 35908), (764, 24299), (1034, 17954), (2068, 8977), (2101, 8836), (2209, 8404), (4202, 4418)]