19534396

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11437}}^1$

素因数の和:11509

約数の個数: 24

約数和(自身を含む): 39712736

約数和(自身を除く): 20178340

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11437, 22874, 45748, 80059, 160118, 320236, 697657, 1395314, 2790628, 4883599, 9767198, 19534396]

約数ペア:

[(1, 19534396), (2, 9767198), (4, 4883599), (7, 2790628), (14, 1395314), (28, 697657), (61, 320236), (122, 160118), (244, 80059), (427, 45748), (854, 22874), (1708, 11437)]