19860568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27281}}^1$

素因数の和:27307

約数の個数: 32

約数和(自身を含む): 45833760

約数和(自身を除く): 25973192

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27281, 54562, 109124, 190967, 218248, 354653, 381934, 709306, 763868, 1418612, 1527736, 2482571, 2837224, 4965142, 9930284, 19860568]

約数ペア:

[(1, 19860568), (2, 9930284), (4, 4965142), (7, 2837224), (8, 2482571), (13, 1527736), (14, 1418612), (26, 763868), (28, 709306), (52, 381934), (56, 354653), (91, 218248), (104, 190967), (182, 109124), (364, 54562), (728, 27281)]