18645105

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 31177728

約数和(自身を除く): 12532623

約数列:

[1, 3, 5, 15, 31, 93, 101, 155, 303, 397, 465, 505, 1191, 1515, 1985, 3131, 5955, 9393, 12307, 15655, 36921, 40097, 46965, 61535, 120291, 184605, 200485, 601455, 1243007, 3729021, 6215035, 18645105]

約数ペア:

[(1, 18645105), (3, 6215035), (5, 3729021), (15, 1243007), (31, 601455), (93, 200485), (101, 184605), (155, 120291), (303, 61535), (397, 46965), (465, 40097), (505, 36921), (1191, 15655), (1515, 12307), (1985, 9393), (3131, 5955)]