18709980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1567}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 33974820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1567, 1990, 2388, 2985, 3134, 3980, 4701, 5970, 6268, 7835, 9402, 11940, 15670, 18804, 23505, 31340, 47010, 94020, 311833, 623666, 935499, 1247332, 1559165, 1870998, 3118330, 3741996, 4677495, 6236660, 9354990, 18709980]

約数ペア:

[(1, 18709980), (2, 9354990), (3, 6236660), (4, 4677495), (5, 3741996), (6, 3118330), (10, 1870998), (12, 1559165), (15, 1247332), (20, 935499), (30, 623666), (60, 311833), (199, 94020), (398, 47010), (597, 31340), (796, 23505), (995, 18804), (1194, 15670), (1567, 11940), (1990, 9402), (2388, 7835), (2985, 6268), (3134, 5970), (3980, 4701)]