18945718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 33125760

約数和(自身を除く): 14180042

約数列:

[1, 2, 11, 17, 22, 34, 179, 187, 283, 358, 374, 566, 1969, 3043, 3113, 3938, 4811, 6086, 6226, 9622, 33473, 50657, 52921, 66946, 101314, 105842, 557227, 861169, 1114454, 1722338, 9472859, 18945718]

約数ペア:

[(1, 18945718), (2, 9472859), (11, 1722338), (17, 1114454), (22, 861169), (34, 557227), (179, 105842), (187, 101314), (283, 66946), (358, 52921), (374, 50657), (566, 33473), (1969, 9622), (3043, 6226), (3113, 6086), (3938, 4811)]