18828512

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 19781920

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 113, 127, 164, 226, 254, 328, 452, 508, 656, 904, 1016, 1312, 1808, 2032, 3616, 4064, 4633, 5207, 9266, 10414, 14351, 18532, 20828, 28702, 37064, 41656, 57404, 74128, 83312, 114808, 148256, 166624, 229616, 459232, 588391, 1176782, 2353564, 4707128, 9414256, 18828512]

約数ペア:

[(1, 18828512), (2, 9414256), (4, 4707128), (8, 2353564), (16, 1176782), (32, 588391), (41, 459232), (82, 229616), (113, 166624), (127, 148256), (164, 114808), (226, 83312), (254, 74128), (328, 57404), (452, 41656), (508, 37064), (656, 28702), (904, 20828), (1016, 18532), (1312, 14351), (1808, 10414), (2032, 9266), (3616, 5207), (4064, 4633)]