19807652

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15331}}^1$

素因数の和:15371

約数の個数: 24

約数和(自身を含む): 38636640

約数和(自身を除く): 18828988

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15331, 30662, 61324, 260627, 291289, 521254, 582578, 1042508, 1165156, 4951913, 9903826, 19807652]

約数ペア:

[(1, 19807652), (2, 9903826), (4, 4951913), (17, 1165156), (19, 1042508), (34, 582578), (38, 521254), (68, 291289), (76, 260627), (323, 61324), (646, 30662), (1292, 15331)]