19665984

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{7879}}^1$

素因数の和:7907

約数の個数: 56

約数和(自身を含む): 56042560

約数和(自身を除く): 36376576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 7879, 15758, 23637, 31516, 47274, 63032, 94548, 102427, 126064, 189096, 204854, 252128, 307281, 378192, 409708, 504256, 614562, 756384, 819416, 1229124, 1512768, 1638832, 2458248, 3277664, 4916496, 6555328, 9832992, 19665984]

約数ペア:

[(1, 19665984), (2, 9832992), (3, 6555328), (4, 4916496), (6, 3277664), (8, 2458248), (12, 1638832), (13, 1512768), (16, 1229124), (24, 819416), (26, 756384), (32, 614562), (39, 504256), (48, 409708), (52, 378192), (64, 307281), (78, 252128), (96, 204854), (104, 189096), (156, 126064), (192, 102427), (208, 94548), (312, 63032), (416, 47274), (624, 31516), (832, 23637), (1248, 15758), (2496, 7879)]