18251457

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 11316543

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 307, 399, 447, 921, 1043, 2149, 2831, 3129, 5833, 6447, 8493, 17499, 19817, 40831, 45743, 59451, 122493, 137229, 320201, 869117, 960603, 2607351, 6083819, 18251457]

約数ペア:

[(1, 18251457), (3, 6083819), (7, 2607351), (19, 960603), (21, 869117), (57, 320201), (133, 137229), (149, 122493), (307, 59451), (399, 45743), (447, 40831), (921, 19817), (1043, 17499), (2149, 8493), (2831, 6447), (3129, 5833)]