18040574

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 11376898

約数列:

[1, 2, 31, 41, 47, 62, 82, 94, 151, 302, 1271, 1457, 1927, 2542, 2914, 3854, 4681, 6191, 7097, 9362, 12382, 14194, 59737, 119474, 191921, 220007, 290977, 383842, 440014, 581954, 9020287, 18040574]

約数ペア:

[(1, 18040574), (2, 9020287), (31, 581954), (41, 440014), (47, 383842), (62, 290977), (82, 220007), (94, 191921), (151, 119474), (302, 59737), (1271, 14194), (1457, 12382), (1927, 9362), (2542, 7097), (2914, 6191), (3854, 4681)]