19636786

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 32986800

約数和(自身を除く): 13350014

約数列:

[1, 2, 13, 26, 41, 82, 109, 169, 218, 338, 533, 1066, 1417, 2197, 2834, 4394, 4469, 6929, 8938, 13858, 18421, 36842, 58097, 90077, 116194, 180154, 239473, 478946, 755261, 1510522, 9818393, 19636786]

約数ペア:

[(1, 19636786), (2, 9818393), (13, 1510522), (26, 755261), (41, 478946), (82, 239473), (109, 180154), (169, 116194), (218, 90077), (338, 58097), (533, 36842), (1066, 18421), (1417, 13858), (2197, 8938), (2834, 6929), (4394, 4469)]