18418384

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 36828000

約数和(自身を除く): 18409616

約数列:

[1, 2, 4, 8, 16, 59, 109, 118, 179, 218, 236, 358, 436, 472, 716, 872, 944, 1432, 1744, 2864, 6431, 10561, 12862, 19511, 21122, 25724, 39022, 42244, 51448, 78044, 84488, 102896, 156088, 168976, 312176, 1151149, 2302298, 4604596, 9209192, 18418384]

約数ペア:

[(1, 18418384), (2, 9209192), (4, 4604596), (8, 2302298), (16, 1151149), (59, 312176), (109, 168976), (118, 156088), (179, 102896), (218, 84488), (236, 78044), (358, 51448), (436, 42244), (472, 39022), (716, 25724), (872, 21122), (944, 19511), (1432, 12862), (1744, 10561), (2864, 6431)]