18786229

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 6096971

約数列:

[1, 7, 11, 29, 47, 77, 179, 203, 319, 329, 517, 1253, 1363, 1969, 2233, 3619, 5191, 8413, 9541, 13783, 14993, 36337, 57101, 58891, 92543, 104951, 243977, 399707, 647801, 1707839, 2683747, 18786229]

約数ペア:

[(1, 18786229), (7, 2683747), (11, 1707839), (29, 647801), (47, 399707), (77, 243977), (179, 104951), (203, 92543), (319, 58891), (329, 57101), (517, 36337), (1253, 14993), (1363, 13783), (1969, 9541), (2233, 8413), (3619, 5191)]