18574941

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 31113216

約数和(自身を除く): 12538275

約数列:

[1, 3, 7, 11, 21, 33, 77, 191, 231, 421, 573, 1263, 1337, 2101, 2947, 4011, 4631, 6303, 8841, 13893, 14707, 32417, 44121, 80411, 97251, 241233, 562877, 884521, 1688631, 2653563, 6191647, 18574941]

約数ペア:

[(1, 18574941), (3, 6191647), (7, 2653563), (11, 1688631), (21, 884521), (33, 562877), (77, 241233), (191, 97251), (231, 80411), (421, 44121), (573, 32417), (1263, 14707), (1337, 13893), (2101, 8841), (2947, 6303), (4011, 4631)]