19534904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 19474696

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 239, 478, 601, 956, 1202, 1912, 2404, 4063, 4808, 8126, 10217, 16252, 20434, 32504, 40868, 81736, 143639, 287278, 574556, 1149112, 2441863, 4883726, 9767452, 19534904]

約数ペア:

[(1, 19534904), (2, 9767452), (4, 4883726), (8, 2441863), (17, 1149112), (34, 574556), (68, 287278), (136, 143639), (239, 81736), (478, 40868), (601, 32504), (956, 20434), (1202, 16252), (1912, 10217), (2404, 8126), (4063, 4808)]