19443376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71483}}^1$

素因数の和:71508

約数の個数: 20

約数和(自身を含む): 39888072

約数和(自身を除く): 20444696

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71483, 142966, 285932, 571864, 1143728, 1215211, 2430422, 4860844, 9721688, 19443376]

約数ペア:

[(1, 19443376), (2, 9721688), (4, 4860844), (8, 2430422), (16, 1215211), (17, 1143728), (34, 571864), (68, 285932), (136, 142966), (272, 71483)]