18734872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1193}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 38112480

約数和(自身を除く): 19377608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1193, 1208, 1963, 2386, 3926, 4772, 7852, 9544, 15509, 15704, 31018, 62036, 124072, 180143, 360286, 720572, 1441144, 2341859, 4683718, 9367436, 18734872]

約数ペア:

[(1, 18734872), (2, 9367436), (4, 4683718), (8, 2341859), (13, 1441144), (26, 720572), (52, 360286), (104, 180143), (151, 124072), (302, 62036), (604, 31018), (1193, 15704), (1208, 15509), (1963, 9544), (2386, 7852), (3926, 4772)]