18893030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7649}}^1$

素因数の和:7688

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 19662970

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7649, 15298, 38245, 76490, 99437, 145331, 198874, 290662, 497185, 726655, 994370, 1453310, 1889303, 3778606, 9446515, 18893030]

約数ペア:

[(1, 18893030), (2, 9446515), (5, 3778606), (10, 1889303), (13, 1453310), (19, 994370), (26, 726655), (38, 497185), (65, 290662), (95, 198874), (130, 145331), (190, 99437), (247, 76490), (494, 38245), (1235, 15298), (2470, 7649)]