18215940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1303}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 51262848

約数和(自身を除く): 33046908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 233, 466, 699, 932, 1165, 1303, 1398, 2330, 2606, 2796, 3495, 3909, 4660, 5212, 6515, 6990, 7818, 13030, 13980, 15636, 19545, 26060, 39090, 78180, 303599, 607198, 910797, 1214396, 1517995, 1821594, 3035990, 3643188, 4553985, 6071980, 9107970, 18215940]

約数ペア:

[(1, 18215940), (2, 9107970), (3, 6071980), (4, 4553985), (5, 3643188), (6, 3035990), (10, 1821594), (12, 1517995), (15, 1214396), (20, 910797), (30, 607198), (60, 303599), (233, 78180), (466, 39090), (699, 26060), (932, 19545), (1165, 15636), (1303, 13980), (1398, 13030), (2330, 7818), (2606, 6990), (2796, 6515), (3495, 5212), (3909, 4660)]