19689254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 33158496

約数和(自身を除く): 13469242

約数列:

[1, 2, 13, 26, 37, 74, 97, 194, 211, 422, 481, 962, 1261, 2522, 2743, 3589, 5486, 7178, 7807, 15614, 20467, 40934, 46657, 93314, 101491, 202982, 266071, 532142, 757279, 1514558, 9844627, 19689254]

約数ペア:

[(1, 19689254), (2, 9844627), (13, 1514558), (26, 757279), (37, 532142), (74, 266071), (97, 202982), (194, 101491), (211, 93314), (422, 46657), (481, 40934), (962, 20467), (1261, 15614), (2522, 7807), (2743, 7178), (3589, 5486)]