18731471

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 21285888

約数和(自身を除く): 2554417

約数列:

[1, 11, 31, 163, 337, 341, 1793, 3707, 5053, 10447, 54931, 55583, 114917, 604241, 1702861, 18731471]

約数ペア:

[(1, 18731471), (11, 1702861), (31, 604241), (163, 114917), (337, 55583), (341, 54931), (1793, 10447), (3707, 5053)]