18352648

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 17071352

約数列:

[1, 2, 4, 8, 71, 79, 142, 158, 284, 316, 409, 568, 632, 818, 1636, 3272, 5609, 11218, 22436, 29039, 32311, 44872, 58078, 64622, 116156, 129244, 232312, 258488, 2294081, 4588162, 9176324, 18352648]

約数ペア:

[(1, 18352648), (2, 9176324), (4, 4588162), (8, 2294081), (71, 258488), (79, 232312), (142, 129244), (158, 116156), (284, 64622), (316, 58078), (409, 44872), (568, 32311), (632, 29039), (818, 22436), (1636, 11218), (3272, 5609)]