18033520

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1303}}^1$

素因数の和:1489

約数の個数: 40

約数和(自身を含む): 42202656

約数和(自身を除く): 24169136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1303, 1384, 1730, 2606, 2768, 3460, 5212, 6515, 6920, 10424, 13030, 13840, 20848, 26060, 52120, 104240, 225419, 450838, 901676, 1127095, 1803352, 2254190, 3606704, 4508380, 9016760, 18033520]

約数ペア:

[(1, 18033520), (2, 9016760), (4, 4508380), (5, 3606704), (8, 2254190), (10, 1803352), (16, 1127095), (20, 901676), (40, 450838), (80, 225419), (173, 104240), (346, 52120), (692, 26060), (865, 20848), (1303, 13840), (1384, 13030), (1730, 10424), (2606, 6920), (2768, 6515), (3460, 5212)]