12991744

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2706

約数の個数: 36

約数和(自身を含む): 27307840

約数和(自身を除く): 14316096

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 2671, 4864, 5342, 10684, 21368, 42736, 50749, 85472, 101498, 170944, 202996, 341888, 405992, 683776, 811984, 1623968, 3247936, 6495872, 12991744]

約数ペア:

[(1, 12991744), (2, 6495872), (4, 3247936), (8, 1623968), (16, 811984), (19, 683776), (32, 405992), (38, 341888), (64, 202996), (76, 170944), (128, 101498), (152, 85472), (256, 50749), (304, 42736), (608, 21368), (1216, 10684), (2432, 5342), (2671, 4864)]