18451472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2127

約数の個数: 40

約数和(自身を含む): 39414144

約数和(自身を除く): 20962672

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2063, 2236, 4126, 4472, 8252, 8944, 16504, 26819, 33008, 53638, 88709, 107276, 177418, 214552, 354836, 429104, 709672, 1153217, 1419344, 2306434, 4612868, 9225736, 18451472]

約数ペア:

[(1, 18451472), (2, 9225736), (4, 4612868), (8, 2306434), (13, 1419344), (16, 1153217), (26, 709672), (43, 429104), (52, 354836), (86, 214552), (104, 177418), (172, 107276), (208, 88709), (344, 53638), (559, 33008), (688, 26819), (1118, 16504), (2063, 8944), (2236, 8252), (4126, 4472)]