18634520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5897}}^1$

素因数の和:5987

約数の個数: 32

約数和(自身を含む): 42465600

約数和(自身を除く): 23831080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5897, 11794, 23588, 29485, 47176, 58970, 117940, 235880, 465863, 931726, 1863452, 2329315, 3726904, 4658630, 9317260, 18634520]

約数ペア:

[(1, 18634520), (2, 9317260), (4, 4658630), (5, 3726904), (8, 2329315), (10, 1863452), (20, 931726), (40, 465863), (79, 235880), (158, 117940), (316, 58970), (395, 47176), (632, 29485), (790, 23588), (1580, 11794), (3160, 5897)]