18528638

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 11808130

約数列:

[1, 2, 31, 37, 41, 62, 74, 82, 197, 394, 1147, 1271, 1517, 2294, 2542, 3034, 6107, 7289, 8077, 12214, 14578, 16154, 47027, 94054, 225959, 250387, 298849, 451918, 500774, 597698, 9264319, 18528638]

約数ペア:

[(1, 18528638), (2, 9264319), (31, 597698), (37, 500774), (41, 451918), (62, 298849), (74, 250387), (82, 225959), (197, 94054), (394, 47027), (1147, 16154), (1271, 14578), (1517, 12214), (2294, 8077), (2542, 7289), (3034, 6107)]