18242864

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 37363680

約数和(自身を除く): 19120816

約数列:

[1, 2, 4, 8, 16, 23, 46, 89, 92, 178, 184, 356, 368, 557, 712, 1114, 1424, 2047, 2228, 4094, 4456, 8188, 8912, 12811, 16376, 25622, 32752, 49573, 51244, 99146, 102488, 198292, 204976, 396584, 793168, 1140179, 2280358, 4560716, 9121432, 18242864]

約数ペア:

[(1, 18242864), (2, 9121432), (4, 4560716), (8, 2280358), (16, 1140179), (23, 793168), (46, 396584), (89, 204976), (92, 198292), (178, 102488), (184, 99146), (356, 51244), (368, 49573), (557, 32752), (712, 25622), (1114, 16376), (1424, 12811), (2047, 8912), (2228, 8188), (4094, 4456)]