19860780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331013}}^1$

素因数の和:331025

約数の個数: 24

約数和(自身を含む): 55610352

約数和(自身を除く): 35749572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331013, 662026, 993039, 1324052, 1655065, 1986078, 3310130, 3972156, 4965195, 6620260, 9930390, 19860780]

約数ペア:

[(1, 19860780), (2, 9930390), (3, 6620260), (4, 4965195), (5, 3972156), (6, 3310130), (10, 1986078), (12, 1655065), (15, 1324052), (20, 993039), (30, 662026), (60, 331013)]