18189622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12914378

約数列:

[1, 2, 11, 22, 31, 62, 149, 179, 298, 341, 358, 682, 1639, 1969, 3278, 3938, 4619, 5549, 9238, 11098, 26671, 50809, 53342, 61039, 101618, 122078, 293381, 586762, 826801, 1653602, 9094811, 18189622]

約数ペア:

[(1, 18189622), (2, 9094811), (11, 1653602), (22, 826801), (31, 586762), (62, 293381), (149, 122078), (179, 101618), (298, 61039), (341, 53342), (358, 50809), (682, 26671), (1639, 11098), (1969, 9238), (3278, 5549), (3938, 4619)]