19398028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{7937}}^1$

素因数の和:8001

約数の個数: 24

約数和(自身を含む): 37340352

約数和(自身を除く): 17942324

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 7937, 15874, 31748, 103181, 206362, 373039, 412724, 746078, 1492156, 4849507, 9699014, 19398028]

約数ペア:

[(1, 19398028), (2, 9699014), (4, 4849507), (13, 1492156), (26, 746078), (47, 412724), (52, 373039), (94, 206362), (188, 103181), (611, 31748), (1222, 15874), (2444, 7937)]