19984472

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 38438400

約数和(自身を除く): 18453928

約数列:

[1, 2, 4, 8, 79, 103, 158, 206, 307, 316, 412, 614, 632, 824, 1228, 2456, 8137, 16274, 24253, 31621, 32548, 48506, 63242, 65096, 97012, 126484, 194024, 252968, 2498059, 4996118, 9992236, 19984472]

約数ペア:

[(1, 19984472), (2, 9992236), (4, 4996118), (8, 2498059), (79, 252968), (103, 194024), (158, 126484), (206, 97012), (307, 65096), (316, 63242), (412, 48506), (614, 32548), (632, 31621), (824, 24253), (1228, 16274), (2456, 8137)]