19621810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1013}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 38329200

約数和(自身を除く): 18707390

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1013, 1490, 1937, 2026, 3874, 5065, 9685, 10130, 13169, 19370, 26338, 65845, 131690, 150937, 301874, 754685, 1509370, 1962181, 3924362, 9810905, 19621810]

約数ペア:

[(1, 19621810), (2, 9810905), (5, 3924362), (10, 1962181), (13, 1509370), (26, 754685), (65, 301874), (130, 150937), (149, 131690), (298, 65845), (745, 26338), (1013, 19370), (1490, 13169), (1937, 10130), (2026, 9685), (3874, 5065)]