199999130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{1033}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 379684800

約数和(自身を除く): 179685670

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1019, 1033, 2038, 2066, 5095, 5165, 10190, 10330, 19361, 19627, 38722, 39254, 96805, 98135, 193610, 196270, 1052627, 2105254, 5263135, 10526270, 19999913, 39999826, 99999565, 199999130]

約数ペア:

[(1, 199999130), (2, 99999565), (5, 39999826), (10, 19999913), (19, 10526270), (38, 5263135), (95, 2105254), (190, 1052627), (1019, 196270), (1033, 193610), (2038, 98135), (2066, 96805), (5095, 39254), (5165, 38722), (10190, 19627), (10330, 19361)]