19514836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{11987}}^1$

素因数の和:12039

約数の個数: 24

約数和(自身を含む): 38265696

約数和(自身を除く): 18750860

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 11987, 23974, 47948, 131857, 263714, 443519, 527428, 887038, 1774076, 4878709, 9757418, 19514836]

約数ペア:

[(1, 19514836), (2, 9757418), (4, 4878709), (11, 1774076), (22, 887038), (37, 527428), (44, 443519), (74, 263714), (148, 131857), (407, 47948), (814, 23974), (1628, 11987)]