18809735

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 27672192

約数和(自身を除く): 8862457

約数列:

[1, 5, 7, 17, 35, 85, 101, 119, 313, 505, 595, 707, 1565, 1717, 2191, 3535, 5321, 8585, 10955, 12019, 26605, 31613, 37247, 60095, 158065, 186235, 221291, 537421, 1106455, 2687105, 3761947, 18809735]

約数ペア:

[(1, 18809735), (5, 3761947), (7, 2687105), (17, 1106455), (35, 537421), (85, 221291), (101, 186235), (119, 158065), (313, 60095), (505, 37247), (595, 31613), (707, 26605), (1565, 12019), (1717, 10955), (2191, 8585), (3535, 5321)]