18190312

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2371}}^1$

素因数の和:2521

約数の個数: 32

約数和(自身を含む): 39280320

約数和(自身を除く): 21090008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2371, 3836, 4742, 7672, 9484, 16597, 18968, 33194, 66388, 132776, 324827, 649654, 1299308, 2273789, 2598616, 4547578, 9095156, 18190312]

約数ペア:

[(1, 18190312), (2, 9095156), (4, 4547578), (7, 2598616), (8, 2273789), (14, 1299308), (28, 649654), (56, 324827), (137, 132776), (274, 66388), (548, 33194), (959, 18968), (1096, 16597), (1918, 9484), (2371, 7672), (3836, 4742)]