18973581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 30191616

約数和(自身を除く): 11218035

約数列:

[1, 3, 11, 17, 31, 33, 51, 93, 187, 341, 527, 561, 1023, 1091, 1581, 3273, 5797, 12001, 17391, 18547, 33821, 36003, 55641, 101463, 204017, 372031, 574957, 612051, 1116093, 1724871, 6324527, 18973581]

約数ペア:

[(1, 18973581), (3, 6324527), (11, 1724871), (17, 1116093), (31, 612051), (33, 574957), (51, 372031), (93, 204017), (187, 101463), (341, 55641), (527, 36003), (561, 33821), (1023, 18547), (1091, 17391), (1581, 12001), (3273, 5797)]