19415248

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 38792160

約数和(自身を除く): 19376912

約数列:

[1, 2, 4, 8, 16, 59, 118, 131, 157, 236, 262, 314, 472, 524, 628, 944, 1048, 1256, 2096, 2512, 7729, 9263, 15458, 18526, 20567, 30916, 37052, 41134, 61832, 74104, 82268, 123664, 148208, 164536, 329072, 1213453, 2426906, 4853812, 9707624, 19415248]

約数ペア:

[(1, 19415248), (2, 9707624), (4, 4853812), (8, 2426906), (16, 1213453), (59, 329072), (118, 164536), (131, 148208), (157, 123664), (236, 82268), (262, 74104), (314, 61832), (472, 41134), (524, 37052), (628, 30916), (944, 20567), (1048, 18526), (1256, 15458), (2096, 9263), (2512, 7729)]