18340966

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 33361920

約数和(自身を除く): 15020954

約数列:

[1, 2, 7, 14, 19, 38, 133, 191, 266, 361, 382, 722, 1337, 2527, 2674, 3629, 5054, 6859, 7258, 13718, 25403, 48013, 50806, 68951, 96026, 137902, 482657, 965314, 1310069, 2620138, 9170483, 18340966]

約数ペア:

[(1, 18340966), (2, 9170483), (7, 2620138), (14, 1310069), (19, 965314), (38, 482657), (133, 137902), (191, 96026), (266, 68951), (361, 50806), (382, 48013), (722, 25403), (1337, 13718), (2527, 7258), (2674, 6859), (3629, 5054)]