19817596

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 35809200

約数和(自身を除く): 15991604

約数列:

[1, 2, 4, 41, 82, 149, 164, 298, 596, 811, 1622, 3244, 6109, 12218, 24436, 33251, 66502, 120839, 133004, 241678, 483356, 4954399, 9908798, 19817596]

約数ペア:

[(1, 19817596), (2, 9908798), (4, 4954399), (41, 483356), (82, 241678), (149, 133004), (164, 120839), (298, 66502), (596, 33251), (811, 24436), (1622, 12218), (3244, 6109)]