19489004

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:794

約数の個数: 36

約数和(自身を含む): 37856784

約数和(自身を除く): 18367780

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 289, 391, 578, 733, 782, 1156, 1466, 1564, 2932, 6647, 12461, 13294, 16859, 24922, 26588, 33718, 49844, 67436, 211837, 286603, 423674, 573206, 847348, 1146412, 4872251, 9744502, 19489004]

約数ペア:

[(1, 19489004), (2, 9744502), (4, 4872251), (17, 1146412), (23, 847348), (34, 573206), (46, 423674), (68, 286603), (92, 211837), (289, 67436), (391, 49844), (578, 33718), (733, 26588), (782, 24922), (1156, 16859), (1466, 13294), (1564, 12461), (2932, 6647)]