19677784

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9497}}^1$

素因数の和:9547

約数の個数: 32

約数和(自身を含む): 43310880

約数和(自身を除く): 23633096

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9497, 18994, 37988, 66479, 75976, 132958, 265916, 351389, 531832, 702778, 1405556, 2459723, 2811112, 4919446, 9838892, 19677784]

約数ペア:

[(1, 19677784), (2, 9838892), (4, 4919446), (7, 2811112), (8, 2459723), (14, 1405556), (28, 702778), (37, 531832), (56, 351389), (74, 265916), (148, 132958), (259, 75976), (296, 66479), (518, 37988), (1036, 18994), (2072, 9497)]