18786957980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5834459}}^1$

素因数の和:5834498

約数の個数: 48

約数和(自身を含む): 47049085440

約数和(自身を除く): 28262127460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5834459, 11668918, 23337836, 29172295, 40841213, 58344590, 81682426, 116689180, 134192557, 163364852, 204206065, 268385114, 408412130, 536770228, 670962785, 816824260, 939347899, 1341925570, 1878695798, 2683851140, 3757391596, 4696739495, 9393478990, 18786957980]

約数ペア:

[(1, 18786957980), (2, 9393478990), (4, 4696739495), (5, 3757391596), (7, 2683851140), (10, 1878695798), (14, 1341925570), (20, 939347899), (23, 816824260), (28, 670962785), (35, 536770228), (46, 408412130), (70, 268385114), (92, 204206065), (115, 163364852), (140, 134192557), (161, 116689180), (230, 81682426), (322, 58344590), (460, 40841213), (644, 29172295), (805, 23337836), (1610, 11668918), (3220, 5834459)]