18381660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27851}}^1$

素因数の和:27874

約数の個数: 48

約数和(自身を含む): 56149632

約数和(自身を除く): 37767972

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 27851, 55702, 83553, 111404, 139255, 167106, 278510, 306361, 334212, 417765, 557020, 612722, 835530, 919083, 1225444, 1531805, 1671060, 1838166, 3063610, 3676332, 4595415, 6127220, 9190830, 18381660]

約数ペア:

[(1, 18381660), (2, 9190830), (3, 6127220), (4, 4595415), (5, 3676332), (6, 3063610), (10, 1838166), (11, 1671060), (12, 1531805), (15, 1225444), (20, 919083), (22, 835530), (30, 612722), (33, 557020), (44, 417765), (55, 334212), (60, 306361), (66, 278510), (110, 167106), (132, 139255), (165, 111404), (220, 83553), (330, 55702), (660, 27851)]