17919419

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2230

約数の個数: 16

約数和(自身を含む): 21712320

約数和(自身を除く): 3792901

約数列:

[1, 7, 29, 41, 203, 287, 1189, 2153, 8323, 15071, 62437, 88273, 437059, 617911, 2559917, 17919419]

約数ペア:

[(1, 17919419), (7, 2559917), (29, 617911), (41, 437059), (203, 88273), (287, 62437), (1189, 15071), (2153, 8323)]