19223248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:715

約数の個数: 40

約数和(自身を含む): 40890240

約数和(自身を除く): 21666992

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 239, 457, 478, 914, 956, 1828, 1912, 2629, 3656, 3824, 5027, 5258, 7312, 10054, 10516, 20108, 21032, 40216, 42064, 80432, 109223, 218446, 436892, 873784, 1201453, 1747568, 2402906, 4805812, 9611624, 19223248]

約数ペア:

[(1, 19223248), (2, 9611624), (4, 4805812), (8, 2402906), (11, 1747568), (16, 1201453), (22, 873784), (44, 436892), (88, 218446), (176, 109223), (239, 80432), (457, 42064), (478, 40216), (914, 21032), (956, 20108), (1828, 10516), (1912, 10054), (2629, 7312), (3656, 5258), (3824, 5027)]