19983136

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1429}}^1$

素因数の和:1481

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 23260064

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1429, 1748, 2858, 3496, 5716, 6992, 11432, 13984, 22864, 27151, 32867, 45728, 54302, 65734, 108604, 131468, 217208, 262936, 434416, 525872, 624473, 868832, 1051744, 1248946, 2497892, 4995784, 9991568, 19983136]

約数ペア:

[(1, 19983136), (2, 9991568), (4, 4995784), (8, 2497892), (16, 1248946), (19, 1051744), (23, 868832), (32, 624473), (38, 525872), (46, 434416), (76, 262936), (92, 217208), (152, 131468), (184, 108604), (304, 65734), (368, 54302), (437, 45728), (608, 32867), (736, 27151), (874, 22864), (1429, 13984), (1748, 11432), (2858, 6992), (3496, 5716)]