19628220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1181}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 55204128

約数和(自身を除く): 35575908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1181, 1385, 1662, 2362, 2770, 3324, 3543, 4155, 4724, 5540, 5905, 7086, 8310, 11810, 14172, 16620, 17715, 23620, 35430, 70860, 327137, 654274, 981411, 1308548, 1635685, 1962822, 3271370, 3925644, 4907055, 6542740, 9814110, 19628220]

約数ペア:

[(1, 19628220), (2, 9814110), (3, 6542740), (4, 4907055), (5, 3925644), (6, 3271370), (10, 1962822), (12, 1635685), (15, 1308548), (20, 981411), (30, 654274), (60, 327137), (277, 70860), (554, 35430), (831, 23620), (1108, 17715), (1181, 16620), (1385, 14172), (1662, 11810), (2362, 8310), (2770, 7086), (3324, 5905), (3543, 5540), (4155, 4724)]