18757518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2381}}^1$

素因数の和:2500

約数の個数: 32

約数和(自身を含む): 40817952

約数和(自身を除く): 22060434

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 202, 303, 606, 1313, 2381, 2626, 3939, 4762, 7143, 7878, 14286, 30953, 61906, 92859, 185718, 240481, 480962, 721443, 1442886, 3126253, 6252506, 9378759, 18757518]

約数ペア:

[(1, 18757518), (2, 9378759), (3, 6252506), (6, 3126253), (13, 1442886), (26, 721443), (39, 480962), (78, 240481), (101, 185718), (202, 92859), (303, 61906), (606, 30953), (1313, 14286), (2381, 7878), (2626, 7143), (3939, 4762)]