19851436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{5711}}^1$

素因数の和:5805

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 18533204

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 5711, 11422, 22844, 62821, 125642, 251284, 451169, 902338, 1804676, 4962859, 9925718, 19851436]

約数ペア:

[(1, 19851436), (2, 9925718), (4, 4962859), (11, 1804676), (22, 902338), (44, 451169), (79, 251284), (158, 125642), (316, 62821), (869, 22844), (1738, 11422), (3476, 5711)]