18906404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 37933056

約数和(自身を除く): 19026652

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 83, 124, 166, 167, 332, 334, 341, 668, 682, 913, 1364, 1826, 1837, 2573, 3652, 3674, 5146, 5177, 7348, 10292, 10354, 13861, 20708, 27722, 28303, 55444, 56606, 56947, 113212, 113894, 152471, 227788, 304942, 429691, 609884, 859382, 1718764, 4726601, 9453202, 18906404]

約数ペア:

[(1, 18906404), (2, 9453202), (4, 4726601), (11, 1718764), (22, 859382), (31, 609884), (44, 429691), (62, 304942), (83, 227788), (124, 152471), (166, 113894), (167, 113212), (332, 56947), (334, 56606), (341, 55444), (668, 28303), (682, 27722), (913, 20708), (1364, 13861), (1826, 10354), (1837, 10292), (2573, 7348), (3652, 5177), (3674, 5146)]