18436515

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 30369600

約数和(自身を除く): 11933085

約数列:

[1, 3, 5, 15, 73, 113, 149, 219, 339, 365, 447, 565, 745, 1095, 1695, 2235, 8249, 10877, 16837, 24747, 32631, 41245, 50511, 54385, 84185, 123735, 163155, 252555, 1229101, 3687303, 6145505, 18436515]

約数ペア:

[(1, 18436515), (3, 6145505), (5, 3687303), (15, 1229101), (73, 252555), (113, 163155), (149, 123735), (219, 84185), (339, 54385), (365, 50511), (447, 41245), (565, 32631), (745, 24747), (1095, 16837), (1695, 10877), (2235, 8249)]