18121984

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2441}}^1$

素因数の和:2486

約数の個数: 36

約数和(自身を含む): 37435860

約数和(自身を除く): 19313876

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2441, 3712, 4882, 7424, 9764, 19528, 39056, 70789, 78112, 141578, 156224, 283156, 312448, 566312, 624896, 1132624, 2265248, 4530496, 9060992, 18121984]

約数ペア:

[(1, 18121984), (2, 9060992), (4, 4530496), (8, 2265248), (16, 1132624), (29, 624896), (32, 566312), (58, 312448), (64, 283156), (116, 156224), (128, 141578), (232, 78112), (256, 70789), (464, 39056), (928, 19528), (1856, 9764), (2441, 7424), (3712, 4882)]