18269710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 16255730

約数列:

[1, 2, 5, 10, 29, 58, 73, 145, 146, 290, 365, 730, 863, 1726, 2117, 4234, 4315, 8630, 10585, 21170, 25027, 50054, 62999, 125135, 125998, 250270, 314995, 629990, 1826971, 3653942, 9134855, 18269710]

約数ペア:

[(1, 18269710), (2, 9134855), (5, 3653942), (10, 1826971), (29, 629990), (58, 314995), (73, 250270), (145, 125998), (146, 125135), (290, 62999), (365, 50054), (730, 25027), (863, 21170), (1726, 10585), (2117, 8630), (4234, 4315)]