18190676

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 39567360

約数和(自身を除く): 21376684

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1103, 1178, 2206, 2356, 4123, 4412, 7721, 8246, 15442, 16492, 20957, 30884, 34193, 41914, 68386, 83828, 136772, 146699, 239351, 293398, 478702, 586796, 649667, 957404, 1299334, 2598668, 4547669, 9095338, 18190676]

約数ペア:

[(1, 18190676), (2, 9095338), (4, 4547669), (7, 2598668), (14, 1299334), (19, 957404), (28, 649667), (31, 586796), (38, 478702), (62, 293398), (76, 239351), (124, 146699), (133, 136772), (217, 83828), (266, 68386), (434, 41914), (532, 34193), (589, 30884), (868, 20957), (1103, 16492), (1178, 15442), (2206, 8246), (2356, 7721), (4123, 4412)]