2019413945

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 2534336640

約数和(自身を除く): 514922695

約数列:

[1, 5, 43, 59, 215, 295, 397, 401, 1985, 2005, 2537, 12685, 17071, 17243, 23423, 23659, 85355, 86215, 117115, 118295, 159197, 795985, 1007189, 1017337, 5035945, 5086685, 6845471, 9392623, 34227355, 46963115, 403882789, 2019413945]

約数ペア:

[(1, 2019413945), (5, 403882789), (43, 46963115), (59, 34227355), (215, 9392623), (295, 6845471), (397, 5086685), (401, 5035945), (1985, 1017337), (2005, 1007189), (2537, 795985), (12685, 159197), (17071, 118295), (17243, 117115), (23423, 86215), (23659, 85355)]