15871804

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:526

約数の個数: 36

約数和(自身を含む): 30713256

約数和(自身を除く): 14841452

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 443, 676, 689, 886, 1378, 1772, 2756, 5759, 8957, 11518, 17914, 23036, 23479, 35828, 46958, 74867, 93916, 149734, 299468, 305227, 610454, 1220908, 3967951, 7935902, 15871804]

約数ペア:

[(1, 15871804), (2, 7935902), (4, 3967951), (13, 1220908), (26, 610454), (52, 305227), (53, 299468), (106, 149734), (169, 93916), (212, 74867), (338, 46958), (443, 35828), (676, 23479), (689, 23036), (886, 17914), (1378, 11518), (1772, 8957), (2756, 5759)]