19669888

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 46389600

約数和(自身を除く): 26719712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 757, 812, 896, 928, 1514, 1624, 1856, 3028, 3248, 3712, 5299, 6056, 6496, 10598, 12112, 12992, 21196, 21953, 24224, 25984, 42392, 43906, 48448, 84784, 87812, 96896, 153671, 169568, 175624, 307342, 339136, 351248, 614684, 678272, 702496, 1229368, 1404992, 2458736, 2809984, 4917472, 9834944, 19669888]

約数ペア:

[(1, 19669888), (2, 9834944), (4, 4917472), (7, 2809984), (8, 2458736), (14, 1404992), (16, 1229368), (28, 702496), (29, 678272), (32, 614684), (56, 351248), (58, 339136), (64, 307342), (112, 175624), (116, 169568), (128, 153671), (203, 96896), (224, 87812), (232, 84784), (406, 48448), (448, 43906), (464, 42392), (757, 25984), (812, 24224), (896, 21953), (928, 21196), (1514, 12992), (1624, 12112), (1856, 10598), (3028, 6496), (3248, 6056), (3712, 5299)]