18133456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 38595744

約数和(自身を除く): 20462288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 197, 394, 523, 788, 1046, 1576, 2092, 2167, 3152, 4184, 4334, 5753, 8368, 8668, 11506, 17336, 23012, 34672, 46024, 92048, 103031, 206062, 412124, 824248, 1133341, 1648496, 2266682, 4533364, 9066728, 18133456]

約数ペア:

[(1, 18133456), (2, 9066728), (4, 4533364), (8, 2266682), (11, 1648496), (16, 1133341), (22, 824248), (44, 412124), (88, 206062), (176, 103031), (197, 92048), (394, 46024), (523, 34672), (788, 23012), (1046, 17336), (1576, 11506), (2092, 8668), (2167, 8368), (3152, 5753), (4184, 4334)]