19918244

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 37459968

約数和(自身を除く): 17541724

約数列:

[1, 2, 4, 29, 31, 58, 62, 116, 124, 191, 382, 764, 841, 899, 1682, 1798, 3364, 3596, 5539, 5921, 11078, 11842, 22156, 23684, 26071, 52142, 104284, 160631, 171709, 321262, 343418, 642524, 686836, 4979561, 9959122, 19918244]

約数ペア:

[(1, 19918244), (2, 9959122), (4, 4979561), (29, 686836), (31, 642524), (58, 343418), (62, 321262), (116, 171709), (124, 160631), (191, 104284), (382, 52142), (764, 26071), (841, 23684), (899, 22156), (1682, 11842), (1798, 11078), (3364, 5921), (3596, 5539)]