19425679

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 26248320

約数和(自身を除く): 6822641

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 377, 433, 493, 1547, 2639, 3031, 3451, 5629, 6409, 7361, 12557, 39403, 44863, 51527, 87899, 95693, 163241, 213469, 669851, 1142687, 1494283, 2775097, 19425679]

約数ペア:

[(1, 19425679), (7, 2775097), (13, 1494283), (17, 1142687), (29, 669851), (91, 213469), (119, 163241), (203, 95693), (221, 87899), (377, 51527), (433, 44863), (493, 39403), (1547, 12557), (2639, 7361), (3031, 6409), (3451, 5629)]