18037864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{691}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 36620640

約数和(自身を除く): 18582776

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 691, 1004, 1382, 2008, 2764, 3263, 5528, 6526, 8983, 13052, 17966, 26104, 35932, 71864, 173441, 346882, 693764, 1387528, 2254733, 4509466, 9018932, 18037864]

約数ペア:

[(1, 18037864), (2, 9018932), (4, 4509466), (8, 2254733), (13, 1387528), (26, 693764), (52, 346882), (104, 173441), (251, 71864), (502, 35932), (691, 26104), (1004, 17966), (1382, 13052), (2008, 8983), (2764, 6526), (3263, 5528)]