18056840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1033}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 44668800

約数和(自身を除く): 26611960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1033, 1748, 2066, 2185, 3496, 4132, 4370, 5165, 8264, 8740, 10330, 17480, 19627, 20660, 23759, 39254, 41320, 47518, 78508, 95036, 98135, 118795, 157016, 190072, 196270, 237590, 392540, 451421, 475180, 785080, 902842, 950360, 1805684, 2257105, 3611368, 4514210, 9028420, 18056840]

約数ペア:

[(1, 18056840), (2, 9028420), (4, 4514210), (5, 3611368), (8, 2257105), (10, 1805684), (19, 950360), (20, 902842), (23, 785080), (38, 475180), (40, 451421), (46, 392540), (76, 237590), (92, 196270), (95, 190072), (115, 157016), (152, 118795), (184, 98135), (190, 95036), (230, 78508), (380, 47518), (437, 41320), (460, 39254), (760, 23759), (874, 20660), (920, 19627), (1033, 17480), (1748, 10330), (2066, 8740), (2185, 8264), (3496, 5165), (4132, 4370)]