19836688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 40999608

約数和(自身を除く): 21162920

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 233, 272, 313, 466, 626, 932, 1252, 1864, 2504, 3728, 3961, 5008, 5321, 7922, 10642, 15844, 21284, 31688, 42568, 63376, 72929, 85136, 145858, 291716, 583432, 1166864, 1239793, 2479586, 4959172, 9918344, 19836688]

約数ペア:

[(1, 19836688), (2, 9918344), (4, 4959172), (8, 2479586), (16, 1239793), (17, 1166864), (34, 583432), (68, 291716), (136, 145858), (233, 85136), (272, 72929), (313, 63376), (466, 42568), (626, 31688), (932, 21284), (1252, 15844), (1864, 10642), (2504, 7922), (3728, 5321), (3961, 5008)]