18185167

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 25127424

約数和(自身を除く): 6942257

約数列:

[1, 7, 11, 13, 37, 77, 91, 143, 259, 407, 481, 491, 1001, 2849, 3367, 3437, 5291, 5401, 6383, 18167, 37037, 37807, 44681, 70213, 127169, 199837, 236171, 491491, 1398859, 1653197, 2597881, 18185167]

約数ペア:

[(1, 18185167), (7, 2597881), (11, 1653197), (13, 1398859), (37, 491491), (77, 236171), (91, 199837), (143, 127169), (259, 70213), (407, 44681), (481, 37807), (491, 37037), (1001, 18167), (2849, 6383), (3367, 5401), (3437, 5291)]