18259140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{877}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 51331392

約数和(自身を除く): 33072252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347, 694, 877, 1041, 1388, 1735, 1754, 2082, 2631, 3470, 3508, 4164, 4385, 5205, 5262, 6940, 8770, 10410, 10524, 13155, 17540, 20820, 26310, 52620, 304319, 608638, 912957, 1217276, 1521595, 1825914, 3043190, 3651828, 4564785, 6086380, 9129570, 18259140]

約数ペア:

[(1, 18259140), (2, 9129570), (3, 6086380), (4, 4564785), (5, 3651828), (6, 3043190), (10, 1825914), (12, 1521595), (15, 1217276), (20, 912957), (30, 608638), (60, 304319), (347, 52620), (694, 26310), (877, 20820), (1041, 17540), (1388, 13155), (1735, 10524), (1754, 10410), (2082, 8770), (2631, 6940), (3470, 5262), (3508, 5205), (4164, 4385)]