19776304

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72707}}^1$

素因数の和:72732

約数の個数: 20

約数和(自身を含む): 40571064

約数和(自身を除く): 20794760

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72707, 145414, 290828, 581656, 1163312, 1236019, 2472038, 4944076, 9888152, 19776304]

約数ペア:

[(1, 19776304), (2, 9888152), (4, 4944076), (8, 2472038), (16, 1236019), (17, 1163312), (34, 581656), (68, 290828), (136, 145414), (272, 72707)]