19782642

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8101}}^1$

素因数の和:8154

約数の個数: 32

約数和(自身を含む): 44334144

約数和(自身を除く): 24551502

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8101, 16202, 24303, 48606, 89111, 178222, 267333, 299737, 534666, 599474, 899211, 1798422, 3297107, 6594214, 9891321, 19782642]

約数ペア:

[(1, 19782642), (2, 9891321), (3, 6594214), (6, 3297107), (11, 1798422), (22, 899211), (33, 599474), (37, 534666), (66, 299737), (74, 267333), (111, 178222), (222, 89111), (407, 48606), (814, 24303), (1221, 16202), (2442, 8101)]