18033808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{313}}^1$

素因数の和:611

約数の個数: 40

約数和(自身を含む): 37884728

約数和(自身を除く): 19850920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 277, 313, 554, 626, 1108, 1252, 2216, 2504, 3601, 4069, 4432, 5008, 7202, 8138, 14404, 16276, 28808, 32552, 57616, 65104, 86701, 173402, 346804, 693608, 1127113, 1387216, 2254226, 4508452, 9016904, 18033808]

約数ペア:

[(1, 18033808), (2, 9016904), (4, 4508452), (8, 2254226), (13, 1387216), (16, 1127113), (26, 693608), (52, 346804), (104, 173402), (208, 86701), (277, 65104), (313, 57616), (554, 32552), (626, 28808), (1108, 16276), (1252, 14404), (2216, 8138), (2504, 7202), (3601, 5008), (4069, 4432)]