2019189904

素因数分解:

$2^4\times {\mathrm{631}}^1\times {\mathrm{199999}}^1$

素因数の和:200638

約数の個数: 20

約数和(自身を含む): 3918400000

約数和(自身を除く): 1899210096

約数列:

[1, 2, 4, 8, 16, 631, 1262, 2524, 5048, 10096, 199999, 399998, 799996, 1599992, 3199984, 126199369, 252398738, 504797476, 1009594952, 2019189904]

約数ペア:

[(1, 2019189904), (2, 1009594952), (4, 504797476), (8, 252398738), (16, 126199369), (631, 3199984), (1262, 1599992), (2524, 799996), (5048, 399998), (10096, 199999)]