18123344

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{599}}^1$

素因数の和:699

約数の個数: 40

約数和(自身を含む): 36902400

約数和(自身を除く): 18779056

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 599, 976, 1198, 1891, 2396, 3782, 4792, 7564, 9584, 15128, 18569, 30256, 36539, 37138, 73078, 74276, 146156, 148552, 292312, 297104, 584624, 1132709, 2265418, 4530836, 9061672, 18123344]

約数ペア:

[(1, 18123344), (2, 9061672), (4, 4530836), (8, 2265418), (16, 1132709), (31, 584624), (61, 297104), (62, 292312), (122, 148552), (124, 146156), (244, 74276), (248, 73078), (488, 37138), (496, 36539), (599, 30256), (976, 18569), (1198, 15128), (1891, 9584), (2396, 7564), (3782, 4792)]