18486728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1193}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 37611000

約数和(自身を除く): 19124272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 1192, 1193, 1937, 2386, 3874, 4772, 7748, 9544, 15496, 15509, 31018, 62036, 124072, 177757, 355514, 711028, 1422056, 2310841, 4621682, 9243364, 18486728]

約数ペア:

[(1, 18486728), (2, 9243364), (4, 4621682), (8, 2310841), (13, 1422056), (26, 711028), (52, 355514), (104, 177757), (149, 124072), (298, 62036), (596, 31018), (1192, 15509), (1193, 15496), (1937, 9544), (2386, 7748), (3874, 4772)]