18219488

素因数分解:

$2^5\times 7^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 41328000

約数和(自身を除く): 23108512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 163, 224, 326, 499, 652, 998, 1141, 1304, 1996, 2282, 2608, 3493, 3992, 4564, 5216, 6986, 7984, 9128, 13972, 15968, 18256, 27944, 36512, 55888, 81337, 111776, 162674, 325348, 569359, 650696, 1138718, 1301392, 2277436, 2602784, 4554872, 9109744, 18219488]

約数ペア:

[(1, 18219488), (2, 9109744), (4, 4554872), (7, 2602784), (8, 2277436), (14, 1301392), (16, 1138718), (28, 650696), (32, 569359), (56, 325348), (112, 162674), (163, 111776), (224, 81337), (326, 55888), (499, 36512), (652, 27944), (998, 18256), (1141, 15968), (1304, 13972), (1996, 9128), (2282, 7984), (2608, 6986), (3493, 5216), (3992, 4564)]