18657908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 36578304

約数和(自身を除く): 17920396

約数列:

[1, 2, 4, 17, 31, 34, 53, 62, 68, 106, 124, 167, 212, 334, 527, 668, 901, 1054, 1643, 1802, 2108, 2839, 3286, 3604, 5177, 5678, 6572, 8851, 10354, 11356, 17702, 20708, 27931, 35404, 55862, 88009, 111724, 150467, 176018, 274381, 300934, 352036, 548762, 601868, 1097524, 4664477, 9328954, 18657908]

約数ペア:

[(1, 18657908), (2, 9328954), (4, 4664477), (17, 1097524), (31, 601868), (34, 548762), (53, 352036), (62, 300934), (68, 274381), (106, 176018), (124, 150467), (167, 111724), (212, 88009), (334, 55862), (527, 35404), (668, 27931), (901, 20708), (1054, 17702), (1643, 11356), (1802, 10354), (2108, 8851), (2839, 6572), (3286, 5678), (3604, 5177)]