19122728

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 37051560

約数和(自身を除く): 17928832

約数列:

[1, 2, 4, 8, 41, 82, 164, 173, 328, 337, 346, 674, 692, 1348, 1384, 2696, 7093, 13817, 14186, 27634, 28372, 55268, 56744, 58301, 110536, 116602, 233204, 466408, 2390341, 4780682, 9561364, 19122728]

約数ペア:

[(1, 19122728), (2, 9561364), (4, 4780682), (8, 2390341), (41, 466408), (82, 233204), (164, 116602), (173, 110536), (328, 58301), (337, 56744), (346, 55268), (674, 28372), (692, 27634), (1348, 14186), (1384, 13817), (2696, 7093)]