18597584

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 37665000

約数和(自身を除く): 19067416

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 149, 232, 269, 298, 464, 538, 596, 1076, 1192, 2152, 2384, 4304, 4321, 7801, 8642, 15602, 17284, 31204, 34568, 40081, 62408, 69136, 80162, 124816, 160324, 320648, 641296, 1162349, 2324698, 4649396, 9298792, 18597584]

約数ペア:

[(1, 18597584), (2, 9298792), (4, 4649396), (8, 2324698), (16, 1162349), (29, 641296), (58, 320648), (116, 160324), (149, 124816), (232, 80162), (269, 69136), (298, 62408), (464, 40081), (538, 34568), (596, 31204), (1076, 17284), (1192, 15602), (2152, 8642), (2384, 7801), (4304, 4321)]