19995284344

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3681017}}^1$

素因数の和:3681127

約数の個数: 32

約数和(自身を含む): 43288771680

約数和(自身を除く): 23293487336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 5432, 3681017, 7362034, 14724068, 25767119, 29448136, 51534238, 103068476, 206136952, 357058649, 714117298, 1428234596, 2499410543, 2856469192, 4998821086, 9997642172, 19995284344]

約数ペア:

[(1, 19995284344), (2, 9997642172), (4, 4998821086), (7, 2856469192), (8, 2499410543), (14, 1428234596), (28, 714117298), (56, 357058649), (97, 206136952), (194, 103068476), (388, 51534238), (679, 29448136), (776, 25767119), (1358, 14724068), (2716, 7362034), (5432, 3681017)]