19721056

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10103}}^1$

素因数の和:10174

約数の個数: 24

約数和(自身を含む): 39466224

約数和(自身を除く): 19745168

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10103, 20206, 40412, 80824, 161648, 323296, 616283, 1232566, 2465132, 4930264, 9860528, 19721056]

約数ペア:

[(1, 19721056), (2, 9860528), (4, 4930264), (8, 2465132), (16, 1232566), (32, 616283), (61, 323296), (122, 161648), (244, 80824), (488, 40412), (976, 20206), (1952, 10103)]