18081996

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1117}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 45077760

約数和(自身を除く): 26995764

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1117, 1349, 2234, 2698, 3351, 4047, 4468, 5396, 6702, 8094, 13404, 16188, 21223, 42446, 63669, 79307, 84892, 127338, 158614, 237921, 254676, 317228, 475842, 951684, 1506833, 3013666, 4520499, 6027332, 9040998, 18081996]

約数ペア:

[(1, 18081996), (2, 9040998), (3, 6027332), (4, 4520499), (6, 3013666), (12, 1506833), (19, 951684), (38, 475842), (57, 317228), (71, 254676), (76, 237921), (114, 158614), (142, 127338), (213, 84892), (228, 79307), (284, 63669), (426, 42446), (852, 21223), (1117, 16188), (1349, 13404), (2234, 8094), (2698, 6702), (3351, 5396), (4047, 4468)]