19810168

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20809}}^1$

素因数の和:20839

約数の個数: 32

約数和(自身を含む): 44949600

約数和(自身を除く): 25139432

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 20809, 41618, 83236, 145663, 166472, 291326, 353753, 582652, 707506, 1165304, 1415012, 2476271, 2830024, 4952542, 9905084, 19810168]

約数ペア:

[(1, 19810168), (2, 9905084), (4, 4952542), (7, 2830024), (8, 2476271), (14, 1415012), (17, 1165304), (28, 707506), (34, 582652), (56, 353753), (68, 291326), (119, 166472), (136, 145663), (238, 83236), (476, 41618), (952, 20809)]