91218620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{240049}}^1$

素因数の和:240077

約数の個数: 24

約数和(自身を含む): 201642000

約数和(自身を除く): 110423380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 240049, 480098, 960196, 1200245, 2400490, 4560931, 4800980, 9121862, 18243724, 22804655, 45609310, 91218620]

約数ペア:

[(1, 91218620), (2, 45609310), (4, 22804655), (5, 18243724), (10, 9121862), (19, 4800980), (20, 4560931), (38, 2400490), (76, 1200245), (95, 960196), (190, 480098), (380, 240049)]