18621213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1301}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 26831616

約数和(自身を除く): 8210403

約数列:

[1, 3, 13, 39, 367, 1101, 1301, 3903, 4771, 14313, 16913, 50739, 477467, 1432401, 6207071, 18621213]

約数ペア:

[(1, 18621213), (3, 6207071), (13, 1432401), (39, 477467), (367, 50739), (1101, 16913), (1301, 14313), (3903, 4771)]