19585740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1657}}^1$

素因数の和:1866

約数の個数: 48

約数和(自身を含む): 55151712

約数和(自身を除く): 35565972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1657, 1970, 2364, 2955, 3314, 3940, 4971, 5910, 6628, 8285, 9942, 11820, 16570, 19884, 24855, 33140, 49710, 99420, 326429, 652858, 979287, 1305716, 1632145, 1958574, 3264290, 3917148, 4896435, 6528580, 9792870, 19585740]

約数ペア:

[(1, 19585740), (2, 9792870), (3, 6528580), (4, 4896435), (5, 3917148), (6, 3264290), (10, 1958574), (12, 1632145), (15, 1305716), (20, 979287), (30, 652858), (60, 326429), (197, 99420), (394, 49710), (591, 33140), (788, 24855), (985, 19884), (1182, 16570), (1657, 11820), (1970, 9942), (2364, 8285), (2955, 6628), (3314, 5910), (3940, 4971)]