19122987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 10149333

約数列:

[1, 3, 13, 19, 39, 57, 131, 197, 247, 393, 591, 741, 1703, 2489, 2561, 3743, 5109, 7467, 7683, 11229, 25807, 32357, 48659, 77421, 97071, 145977, 335491, 490333, 1006473, 1470999, 6374329, 19122987]

約数ペア:

[(1, 19122987), (3, 6374329), (13, 1470999), (19, 1006473), (39, 490333), (57, 335491), (131, 145977), (197, 97071), (247, 77421), (393, 48659), (591, 32357), (741, 25807), (1703, 11229), (2489, 7683), (2561, 7467), (3743, 5109)]