19012212

素因数分解:

$2^2\times 3^3\times {\mathrm{401}}^1\times {\mathrm{439}}^1$

素因数の和:853

約数の個数: 48

約数和(自身を含む): 49526400

約数和(自身を除く): 30514188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 401, 439, 802, 878, 1203, 1317, 1604, 1756, 2406, 2634, 3609, 3951, 4812, 5268, 7218, 7902, 10827, 11853, 14436, 15804, 21654, 23706, 43308, 47412, 176039, 352078, 528117, 704156, 1056234, 1584351, 2112468, 3168702, 4753053, 6337404, 9506106, 19012212]

約数ペア:

[(1, 19012212), (2, 9506106), (3, 6337404), (4, 4753053), (6, 3168702), (9, 2112468), (12, 1584351), (18, 1056234), (27, 704156), (36, 528117), (54, 352078), (108, 176039), (401, 47412), (439, 43308), (802, 23706), (878, 21654), (1203, 15804), (1317, 14436), (1604, 11853), (1756, 10827), (2406, 7902), (2634, 7218), (3609, 5268), (3951, 4812)]