18947248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1699}}^1$

素因数の和:1765

約数の個数: 40

約数和(自身を含む): 39841200

約数和(自身を除く): 20893952

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 272, 328, 656, 697, 1394, 1699, 2788, 3398, 5576, 6796, 11152, 13592, 27184, 28883, 57766, 69659, 115532, 139318, 231064, 278636, 462128, 557272, 1114544, 1184203, 2368406, 4736812, 9473624, 18947248]

約数ペア:

[(1, 18947248), (2, 9473624), (4, 4736812), (8, 2368406), (16, 1184203), (17, 1114544), (34, 557272), (41, 462128), (68, 278636), (82, 231064), (136, 139318), (164, 115532), (272, 69659), (328, 57766), (656, 28883), (697, 27184), (1394, 13592), (1699, 11152), (2788, 6796), (3398, 5576)]