19679968

素因数分解:

$2^5\times 7^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 49593600

約数和(自身を除く): 29913632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 163, 176, 196, 224, 308, 326, 343, 352, 392, 539, 616, 652, 686, 784, 1078, 1141, 1232, 1304, 1372, 1568, 1793, 2156, 2282, 2464, 2608, 2744, 3586, 3773, 4312, 4564, 5216, 5488, 7172, 7546, 7987, 8624, 9128, 10976, 12551, 14344, 15092, 15974, 17248, 18256, 25102, 28688, 30184, 31948, 36512, 50204, 55909, 57376, 60368, 63896, 87857, 100408, 111818, 120736, 127792, 175714, 200816, 223636, 255584, 351428, 401632, 447272, 614999, 702856, 894544, 1229998, 1405712, 1789088, 2459996, 2811424, 4919992, 9839984, 19679968]

約数ペア:

[(1, 19679968), (2, 9839984), (4, 4919992), (7, 2811424), (8, 2459996), (11, 1789088), (14, 1405712), (16, 1229998), (22, 894544), (28, 702856), (32, 614999), (44, 447272), (49, 401632), (56, 351428), (77, 255584), (88, 223636), (98, 200816), (112, 175714), (154, 127792), (163, 120736), (176, 111818), (196, 100408), (224, 87857), (308, 63896), (326, 60368), (343, 57376), (352, 55909), (392, 50204), (539, 36512), (616, 31948), (652, 30184), (686, 28688), (784, 25102), (1078, 18256), (1141, 17248), (1232, 15974), (1304, 15092), (1372, 14344), (1568, 12551), (1793, 10976), (2156, 9128), (2282, 8624), (2464, 7987), (2608, 7546), (2744, 7172), (3586, 5488), (3773, 5216), (4312, 4564)]