18574736

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 40

約数和(自身を含む): 37122624

約数和(自身を除く): 18547888

約数列:

[1, 2, 4, 8, 16, 71, 83, 142, 166, 197, 284, 332, 394, 568, 664, 788, 1136, 1328, 1576, 3152, 5893, 11786, 13987, 16351, 23572, 27974, 32702, 47144, 55948, 65404, 94288, 111896, 130808, 223792, 261616, 1160921, 2321842, 4643684, 9287368, 18574736]

約数ペア:

[(1, 18574736), (2, 9287368), (4, 4643684), (8, 2321842), (16, 1160921), (71, 261616), (83, 223792), (142, 130808), (166, 111896), (197, 94288), (284, 65404), (332, 55948), (394, 47144), (568, 32702), (664, 27974), (788, 23572), (1136, 16351), (1328, 13987), (1576, 11786), (3152, 5893)]