18686584

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2953}}^1$

素因数の和:3079

約数の個数: 32

約数和(自身を含む): 40410720

約数和(自身を除く): 21724136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 2953, 3164, 5906, 6328, 11812, 20671, 23624, 41342, 82684, 165368, 333689, 667378, 1334756, 2335823, 2669512, 4671646, 9343292, 18686584]

約数ペア:

[(1, 18686584), (2, 9343292), (4, 4671646), (7, 2669512), (8, 2335823), (14, 1334756), (28, 667378), (56, 333689), (113, 165368), (226, 82684), (452, 41342), (791, 23624), (904, 20671), (1582, 11812), (2953, 6328), (3164, 5906)]