19734388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2521}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 36720320

約数和(自身を除く): 16985932

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2521, 3914, 5042, 7828, 10084, 47899, 95798, 191596, 259663, 519326, 1038652, 4933597, 9867194, 19734388]

約数ペア:

[(1, 19734388), (2, 9867194), (4, 4933597), (19, 1038652), (38, 519326), (76, 259663), (103, 191596), (206, 95798), (412, 47899), (1957, 10084), (2521, 7828), (3914, 5042)]