18331330

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 15883070

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 479, 890, 958, 2395, 3827, 4790, 7654, 19135, 20597, 38270, 41194, 42631, 85262, 102985, 205970, 213155, 426310, 1833133, 3666266, 9165665, 18331330]

約数ペア:

[(1, 18331330), (2, 9165665), (5, 3666266), (10, 1833133), (43, 426310), (86, 213155), (89, 205970), (178, 102985), (215, 85262), (430, 42631), (445, 41194), (479, 38270), (890, 20597), (958, 19135), (2395, 7654), (3827, 4790)]