18780852

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2141}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 47500992

約数和(自身を除く): 28720140

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2141, 2193, 2924, 4282, 4386, 6423, 8564, 8772, 12846, 25692, 36397, 72794, 92063, 109191, 145588, 184126, 218382, 276189, 368252, 436764, 552378, 1104756, 1565071, 3130142, 4695213, 6260284, 9390426, 18780852]

約数ペア:

[(1, 18780852), (2, 9390426), (3, 6260284), (4, 4695213), (6, 3130142), (12, 1565071), (17, 1104756), (34, 552378), (43, 436764), (51, 368252), (68, 276189), (86, 218382), (102, 184126), (129, 145588), (172, 109191), (204, 92063), (258, 72794), (516, 36397), (731, 25692), (1462, 12846), (2141, 8772), (2193, 8564), (2924, 6423), (4282, 4386)]