18156688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1543

約数の個数: 40

約数和(自身を含む): 38943936

約数和(自身を除く): 20787248

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1453, 1562, 2906, 3124, 5812, 6248, 11624, 12496, 15983, 23248, 31966, 63932, 103163, 127864, 206326, 255728, 412652, 825304, 1134793, 1650608, 2269586, 4539172, 9078344, 18156688]

約数ペア:

[(1, 18156688), (2, 9078344), (4, 4539172), (8, 2269586), (11, 1650608), (16, 1134793), (22, 825304), (44, 412652), (71, 255728), (88, 206326), (142, 127864), (176, 103163), (284, 63932), (568, 31966), (781, 23248), (1136, 15983), (1453, 12496), (1562, 11624), (2906, 6248), (3124, 5812)]