18749740

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5419}}^1$

素因数の和:5601

約数の個数: 24

約数和(自身を含む): 39609360

約数和(自身を除く): 20859620

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5419, 10838, 21676, 27095, 54190, 108380, 937487, 1874974, 3749948, 4687435, 9374870, 18749740]

約数ペア:

[(1, 18749740), (2, 9374870), (4, 4687435), (5, 3749948), (10, 1874974), (20, 937487), (173, 108380), (346, 54190), (692, 27095), (865, 21676), (1730, 10838), (3460, 5419)]