18765286

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 12027674

約数列:

[1, 2, 23, 43, 46, 53, 86, 106, 179, 358, 989, 1219, 1978, 2279, 2438, 4117, 4558, 7697, 8234, 9487, 15394, 18974, 52417, 104834, 177031, 218201, 354062, 407941, 436402, 815882, 9382643, 18765286]

約数ペア:

[(1, 18765286), (2, 9382643), (23, 815882), (43, 436402), (46, 407941), (53, 354062), (86, 218201), (106, 177031), (179, 104834), (358, 52417), (989, 18974), (1219, 15394), (1978, 9487), (2279, 8234), (2438, 7697), (4117, 4558)]