918390820

素因数分解:

$2^2\times 5^1\times {\mathrm{929}}^1\times {\mathrm{49429}}^1$

素因数の和:50367

約数の個数: 24

約数和(自身を含む): 1930735800

約数和(自身を除く): 1012344980

約数列:

[1, 2, 4, 5, 10, 20, 929, 1858, 3716, 4645, 9290, 18580, 49429, 98858, 197716, 247145, 494290, 988580, 45919541, 91839082, 183678164, 229597705, 459195410, 918390820]

約数ペア:

[(1, 918390820), (2, 459195410), (4, 229597705), (5, 183678164), (10, 91839082), (20, 45919541), (929, 988580), (1858, 494290), (3716, 247145), (4645, 197716), (9290, 98858), (18580, 49429)]