2019989698

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{1621}}^1$

素因数の和:1954

約数の個数: 32

約数和(自身を含む): 3176524800

約数和(自身を除く): 1156535102

約数列:

[1, 2, 31, 62, 101, 199, 202, 398, 1621, 3131, 3242, 6169, 6262, 12338, 20099, 40198, 50251, 100502, 163721, 322579, 327442, 623069, 645158, 1246138, 5075351, 9999949, 10150702, 19999898, 32580479, 65160958, 1009994849, 2019989698]

約数ペア:

[(1, 2019989698), (2, 1009994849), (31, 65160958), (62, 32580479), (101, 19999898), (199, 10150702), (202, 9999949), (398, 5075351), (1621, 1246138), (3131, 645158), (3242, 623069), (6169, 327442), (6262, 322579), (12338, 163721), (20099, 100502), (40198, 50251)]