18626792

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 36174600

約数和(自身を除く): 17547808

約数列:

[1, 2, 4, 8, 41, 82, 109, 164, 218, 328, 436, 521, 872, 1042, 2084, 4168, 4469, 8938, 17876, 21361, 35752, 42722, 56789, 85444, 113578, 170888, 227156, 454312, 2328349, 4656698, 9313396, 18626792]

約数ペア:

[(1, 18626792), (2, 9313396), (4, 4656698), (8, 2328349), (41, 454312), (82, 227156), (109, 170888), (164, 113578), (218, 85444), (328, 56789), (436, 42722), (521, 35752), (872, 21361), (1042, 17876), (2084, 8938), (4168, 4469)]