2019263990

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{519091}}^1$

素因数の和:519487

約数の個数: 16

約数和(自身を含む): 3644025840

約数和(自身を除く): 1624761850

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 519091, 1038182, 2595455, 5190910, 201926399, 403852798, 1009631995, 2019263990]

約数ペア:

[(1, 2019263990), (2, 1009631995), (5, 403852798), (10, 201926399), (389, 5190910), (778, 2595455), (1945, 1038182), (3890, 519091)]