19217854

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13441346

約数列:

[1, 2, 17, 19, 34, 38, 71, 142, 323, 419, 646, 838, 1207, 1349, 2414, 2698, 7123, 7961, 14246, 15922, 22933, 29749, 45866, 59498, 135337, 270674, 505733, 565231, 1011466, 1130462, 9608927, 19217854]

約数ペア:

[(1, 19217854), (2, 9608927), (17, 1130462), (19, 1011466), (34, 565231), (38, 505733), (71, 270674), (142, 135337), (323, 59498), (419, 45866), (646, 29749), (838, 22933), (1207, 15922), (1349, 14246), (2414, 7961), (2698, 7123)]