2019995381978

素因数分解:

$2^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{548613629}}^1$

素因数の和:548613901

約数の個数: 16

約数和(自身を含む): 3476015959680

約数和(自身を除く): 1456020577702

約数列:

[1, 2, 7, 14, 263, 526, 1841, 3682, 548613629, 1097227258, 3840295403, 7680590806, 144285384427, 288570768854, 1009997690989, 2019995381978]

約数ペア:

[(1, 2019995381978), (2, 1009997690989), (7, 288570768854), (14, 144285384427), (263, 7680590806), (526, 3840295403), (1841, 1097227258), (3682, 548613629)]