2019009890

素因数分解:

$2^1\times 5^1\times {\mathrm{20533}}^1\times {\mathrm{9833}}^1$

素因数の和:30373

約数の個数: 16

約数和(自身を含む): 3634764408

約数和(自身を除く): 1615754518

約数列:

[1, 2, 5, 10, 9833, 19666, 20533, 41066, 49165, 98330, 102665, 205330, 201900989, 403801978, 1009504945, 2019009890]

約数ペア:

[(1, 2019009890), (2, 1009504945), (5, 403801978), (10, 201900989), (9833, 205330), (19666, 102665), (20533, 98330), (41066, 49165)]