18379972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 36599472

約数和(自身を除く): 18219500

約数列:

[1, 2, 4, 13, 26, 37, 41, 52, 74, 82, 148, 164, 233, 466, 481, 533, 932, 962, 1066, 1517, 1924, 2132, 3029, 3034, 6058, 6068, 8621, 9553, 12116, 17242, 19106, 19721, 34484, 38212, 39442, 78884, 112073, 124189, 224146, 248378, 353461, 448292, 496756, 706922, 1413844, 4594993, 9189986, 18379972]

約数ペア:

[(1, 18379972), (2, 9189986), (4, 4594993), (13, 1413844), (26, 706922), (37, 496756), (41, 448292), (52, 353461), (74, 248378), (82, 224146), (148, 124189), (164, 112073), (233, 78884), (466, 39442), (481, 38212), (533, 34484), (932, 19721), (962, 19106), (1066, 17242), (1517, 12116), (1924, 9553), (2132, 8621), (3029, 6068), (3034, 6058)]