18316660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{953}}^1$

素因数の和:1024

約数の個数: 36

約数和(自身を含む): 39787524

約数和(自身を除く): 21470864

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 953, 961, 1906, 1922, 3812, 3844, 4765, 4805, 9530, 9610, 19060, 19220, 29543, 59086, 118172, 147715, 295430, 590860, 915833, 1831666, 3663332, 4579165, 9158330, 18316660]

約数ペア:

[(1, 18316660), (2, 9158330), (4, 4579165), (5, 3663332), (10, 1831666), (20, 915833), (31, 590860), (62, 295430), (124, 147715), (155, 118172), (310, 59086), (620, 29543), (953, 19220), (961, 19060), (1906, 9610), (1922, 9530), (3812, 4805), (3844, 4765)]