19078199

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 24172560

約数和(自身を除く): 5094361

約数列:

[1, 7, 17, 37, 49, 119, 259, 619, 629, 833, 1813, 4333, 4403, 10523, 22903, 30331, 30821, 73661, 160321, 389351, 515627, 1122247, 2725457, 19078199]

約数ペア:

[(1, 19078199), (7, 2725457), (17, 1122247), (37, 515627), (49, 389351), (119, 160321), (259, 73661), (619, 30821), (629, 30331), (833, 22903), (1813, 10523), (4333, 4403)]