16989952

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 40880000

約数和(自身を除く): 23890048

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 499, 532, 608, 896, 998, 1064, 1216, 1792, 1996, 2128, 2432, 3493, 3992, 4256, 4864, 6986, 7984, 8512, 9481, 13972, 15968, 17024, 18962, 27944, 31936, 34048, 37924, 55888, 63872, 66367, 75848, 111776, 127744, 132734, 151696, 223552, 265468, 303392, 447104, 530936, 606784, 894208, 1061872, 1213568, 2123744, 2427136, 4247488, 8494976, 16989952]

約数ペア:

[(1, 16989952), (2, 8494976), (4, 4247488), (7, 2427136), (8, 2123744), (14, 1213568), (16, 1061872), (19, 894208), (28, 606784), (32, 530936), (38, 447104), (56, 303392), (64, 265468), (76, 223552), (112, 151696), (128, 132734), (133, 127744), (152, 111776), (224, 75848), (256, 66367), (266, 63872), (304, 55888), (448, 37924), (499, 34048), (532, 31936), (608, 27944), (896, 18962), (998, 17024), (1064, 15968), (1216, 13972), (1792, 9481), (1996, 8512), (2128, 7984), (2432, 6986), (3493, 4864), (3992, 4256)]