19215868

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10243}}^1$

素因数の和:10321

約数の個数: 24

約数和(自身を含む): 39009152

約数和(自身を除く): 19793284

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10243, 20486, 40972, 71701, 143402, 286804, 686281, 1372562, 2745124, 4803967, 9607934, 19215868]

約数ペア:

[(1, 19215868), (2, 9607934), (4, 4803967), (7, 2745124), (14, 1372562), (28, 686281), (67, 286804), (134, 143402), (268, 71701), (469, 40972), (938, 20486), (1876, 10243)]