18958810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3557}}^1$

素因数の和:3618

約数の個数: 32

約数和(自身を含む): 37657872

約数和(自身を除く): 18699062

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 3557, 5330, 7114, 17785, 35570, 46241, 92482, 145837, 231205, 291674, 462410, 729185, 1458370, 1895881, 3791762, 9479405, 18958810]

約数ペア:

[(1, 18958810), (2, 9479405), (5, 3791762), (10, 1895881), (13, 1458370), (26, 729185), (41, 462410), (65, 291674), (82, 231205), (130, 145837), (205, 92482), (410, 46241), (533, 35570), (1066, 17785), (2665, 7114), (3557, 5330)]