19488780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108271}}^1$

素因数の和:108286

約数の個数: 36

約数和(自身を含む): 59116512

約数和(自身を除く): 39627732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108271, 216542, 324813, 433084, 541355, 649626, 974439, 1082710, 1299252, 1624065, 1948878, 2165420, 3248130, 3897756, 4872195, 6496260, 9744390, 19488780]

約数ペア:

[(1, 19488780), (2, 9744390), (3, 6496260), (4, 4872195), (5, 3897756), (6, 3248130), (9, 2165420), (10, 1948878), (12, 1624065), (15, 1299252), (18, 1082710), (20, 974439), (30, 649626), (36, 541355), (45, 433084), (60, 324813), (90, 216542), (180, 108271)]