19817399

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1367}}^1$

素因数の和:1502

約数の個数: 16

約数和(自身を含む): 24076800

約数和(自身を除く): 4259401

約数列:

[1, 7, 19, 109, 133, 763, 1367, 2071, 9569, 14497, 25973, 149003, 181811, 1043021, 2831057, 19817399]

約数ペア:

[(1, 19817399), (7, 2831057), (19, 1043021), (109, 181811), (133, 149003), (763, 25973), (1367, 14497), (2071, 9569)]