19899232

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1475

約数の個数: 48

約数和(自身を含む): 43061760

約数和(自身を除く): 23162528

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1423, 1748, 2846, 3496, 5692, 6992, 11384, 13984, 22768, 27037, 32729, 45536, 54074, 65458, 108148, 130916, 216296, 261832, 432592, 523664, 621851, 865184, 1047328, 1243702, 2487404, 4974808, 9949616, 19899232]

約数ペア:

[(1, 19899232), (2, 9949616), (4, 4974808), (8, 2487404), (16, 1243702), (19, 1047328), (23, 865184), (32, 621851), (38, 523664), (46, 432592), (76, 261832), (92, 216296), (152, 130916), (184, 108148), (304, 65458), (368, 54074), (437, 45536), (608, 32729), (736, 27037), (874, 22768), (1423, 13984), (1748, 11384), (2846, 6992), (3496, 5692)]