18258981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 28318080

約数和(自身を除く): 10059099

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 247, 533, 601, 741, 779, 1599, 1803, 2337, 7813, 10127, 11419, 23439, 24641, 30381, 34257, 73923, 148447, 320333, 445341, 468179, 960999, 1404537, 6086327, 18258981]

約数ペア:

[(1, 18258981), (3, 6086327), (13, 1404537), (19, 960999), (39, 468179), (41, 445341), (57, 320333), (123, 148447), (247, 73923), (533, 34257), (601, 30381), (741, 24641), (779, 23439), (1599, 11419), (1803, 10127), (2337, 7813)]