18750018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5651}}^1$

素因数の和:5742

約数の個数: 32

約数和(自身を含む): 43407360

約数和(自身を除く): 24657342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 5651, 11302, 16953, 33906, 39557, 79114, 118671, 237342, 446429, 892858, 1339287, 2678574, 3125003, 6250006, 9375009, 18750018]

約数ペア:

[(1, 18750018), (2, 9375009), (3, 6250006), (6, 3125003), (7, 2678574), (14, 1339287), (21, 892858), (42, 446429), (79, 237342), (158, 118671), (237, 79114), (474, 39557), (553, 33906), (1106, 16953), (1659, 11302), (3318, 5651)]