18346460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{937}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 42547680

約数和(自身を除く): 24201220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 937, 979, 1780, 1874, 1958, 3748, 3916, 4685, 4895, 9370, 9790, 10307, 18740, 19580, 20614, 41228, 51535, 83393, 103070, 166786, 206140, 333572, 416965, 833930, 917323, 1667860, 1834646, 3669292, 4586615, 9173230, 18346460]

約数ペア:

[(1, 18346460), (2, 9173230), (4, 4586615), (5, 3669292), (10, 1834646), (11, 1667860), (20, 917323), (22, 833930), (44, 416965), (55, 333572), (89, 206140), (110, 166786), (178, 103070), (220, 83393), (356, 51535), (445, 41228), (890, 20614), (937, 19580), (979, 18740), (1780, 10307), (1874, 9790), (1958, 9370), (3748, 4895), (3916, 4685)]