18474313

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 23369472

約数和(自身を除く): 4895159

約数列:

[1, 11, 13, 23, 41, 137, 143, 253, 299, 451, 533, 943, 1507, 1781, 3151, 3289, 5617, 5863, 10373, 12259, 19591, 34661, 40963, 61787, 73021, 129191, 134849, 450593, 803231, 1421101, 1679483, 18474313]

約数ペア:

[(1, 18474313), (11, 1679483), (13, 1421101), (23, 803231), (41, 450593), (137, 134849), (143, 129191), (253, 73021), (299, 61787), (451, 40963), (533, 34661), (943, 19591), (1507, 12259), (1781, 10373), (3151, 5863), (3289, 5617)]