18465776

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2087}}^1$

素因数の和:2181

約数の個数: 40

約数和(自身を含む): 41425920

約数和(自身を除く): 22960144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2087, 2212, 4174, 4424, 8348, 8848, 14609, 16696, 29218, 33392, 58436, 116872, 164873, 233744, 329746, 659492, 1154111, 1318984, 2308222, 2637968, 4616444, 9232888, 18465776]

約数ペア:

[(1, 18465776), (2, 9232888), (4, 4616444), (7, 2637968), (8, 2308222), (14, 1318984), (16, 1154111), (28, 659492), (56, 329746), (79, 233744), (112, 164873), (158, 116872), (316, 58436), (553, 33392), (632, 29218), (1106, 16696), (1264, 14609), (2087, 8848), (2212, 8348), (4174, 4424)]