19977152

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1847}}^1$

素因数の和:1885

約数の個数: 42

約数和(自身を含む): 42949368

約数和(自身を除く): 22972216

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 1847, 2704, 3694, 5408, 7388, 10816, 14776, 24011, 29552, 48022, 59104, 96044, 118208, 192088, 312143, 384176, 624286, 768352, 1248572, 1536704, 2497144, 4994288, 9988576, 19977152]

約数ペア:

[(1, 19977152), (2, 9988576), (4, 4994288), (8, 2497144), (13, 1536704), (16, 1248572), (26, 768352), (32, 624286), (52, 384176), (64, 312143), (104, 192088), (169, 118208), (208, 96044), (338, 59104), (416, 48022), (676, 29552), (832, 24011), (1352, 14776), (1847, 10816), (2704, 7388), (3694, 5408)]