19469896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{599}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 19410104

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 239, 478, 599, 956, 1198, 1912, 2396, 4063, 4792, 8126, 10183, 16252, 20366, 32504, 40732, 81464, 143161, 286322, 572644, 1145288, 2433737, 4867474, 9734948, 19469896]

約数ペア:

[(1, 19469896), (2, 9734948), (4, 4867474), (8, 2433737), (17, 1145288), (34, 572644), (68, 286322), (136, 143161), (239, 81464), (478, 40732), (599, 32504), (956, 20366), (1198, 16252), (1912, 10183), (2396, 8126), (4063, 4792)]