18416372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 37340352

約数和(自身を除く): 18923980

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 83, 166, 221, 251, 332, 442, 502, 884, 1004, 1079, 1411, 2158, 2822, 3263, 4267, 4316, 5644, 6526, 8534, 13052, 17068, 18343, 20833, 36686, 41666, 55471, 73372, 83332, 110942, 221884, 270829, 354161, 541658, 708322, 1083316, 1416644, 4604093, 9208186, 18416372]

約数ペア:

[(1, 18416372), (2, 9208186), (4, 4604093), (13, 1416644), (17, 1083316), (26, 708322), (34, 541658), (52, 354161), (68, 270829), (83, 221884), (166, 110942), (221, 83332), (251, 73372), (332, 55471), (442, 41666), (502, 36686), (884, 20833), (1004, 18343), (1079, 17068), (1411, 13052), (2158, 8534), (2822, 6526), (3263, 5644), (4267, 4316)]