18372860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3631}}^1$

素因数の和:3674

約数の個数: 48

約数和(自身を含む): 43932672

約数和(自身を除く): 25559812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3631, 5060, 7262, 14524, 18155, 36310, 39941, 72620, 79882, 83513, 159764, 167026, 199705, 334052, 399410, 417565, 798820, 835130, 918643, 1670260, 1837286, 3674572, 4593215, 9186430, 18372860]

約数ペア:

[(1, 18372860), (2, 9186430), (4, 4593215), (5, 3674572), (10, 1837286), (11, 1670260), (20, 918643), (22, 835130), (23, 798820), (44, 417565), (46, 399410), (55, 334052), (92, 199705), (110, 167026), (115, 159764), (220, 83513), (230, 79882), (253, 72620), (460, 39941), (506, 36310), (1012, 18155), (1265, 14524), (2530, 7262), (3631, 5060)]