18049733

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 22208256

約数和(自身を除く): 4158523

約数列:

[1, 13, 17, 23, 53, 67, 221, 299, 391, 689, 871, 901, 1139, 1219, 1541, 3551, 5083, 11713, 14807, 15847, 20033, 20723, 26197, 46163, 60367, 81673, 269399, 340561, 784771, 1061749, 1388441, 18049733]

約数ペア:

[(1, 18049733), (13, 1388441), (17, 1061749), (23, 784771), (53, 340561), (67, 269399), (221, 81673), (299, 60367), (391, 46163), (689, 26197), (871, 20723), (901, 20033), (1139, 15847), (1219, 14807), (1541, 11713), (3551, 5083)]