18123784

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8747}}^1$

素因数の和:8797

約数の個数: 32

約数和(自身を含む): 39890880

約数和(自身を除く): 21767096

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 8747, 17494, 34988, 61229, 69976, 122458, 244916, 323639, 489832, 647278, 1294556, 2265473, 2589112, 4530946, 9061892, 18123784]

約数ペア:

[(1, 18123784), (2, 9061892), (4, 4530946), (7, 2589112), (8, 2265473), (14, 1294556), (28, 647278), (37, 489832), (56, 323639), (74, 244916), (148, 122458), (259, 69976), (296, 61229), (518, 34988), (1036, 17494), (2072, 8747)]