19857318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13399}}^1$

素因数の和:13436

約数の個数: 32

約数和(自身を含む): 45024000

約数和(自身を除く): 25166682

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 13399, 26798, 40197, 80394, 174187, 254581, 348374, 509162, 522561, 763743, 1045122, 1527486, 3309553, 6619106, 9928659, 19857318]

約数ペア:

[(1, 19857318), (2, 9928659), (3, 6619106), (6, 3309553), (13, 1527486), (19, 1045122), (26, 763743), (38, 522561), (39, 509162), (57, 348374), (78, 254581), (114, 174187), (247, 80394), (494, 40197), (741, 26798), (1482, 13399)]