18973190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{479}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 17418490

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 233, 466, 479, 958, 1165, 2330, 2395, 3961, 4790, 7922, 8143, 16286, 19805, 39610, 40715, 81430, 111607, 223214, 558035, 1116070, 1897319, 3794638, 9486595, 18973190]

約数ペア:

[(1, 18973190), (2, 9486595), (5, 3794638), (10, 1897319), (17, 1116070), (34, 558035), (85, 223214), (170, 111607), (233, 81430), (466, 40715), (479, 39610), (958, 19805), (1165, 16286), (2330, 8143), (2395, 7922), (3961, 4790)]