18765828

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{5857}}^1$

素因数の和:5956

約数の個数: 36

約数和(自身を含む): 47977020

約数和(自身を除く): 29211192

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 5857, 11714, 17571, 23428, 35142, 52713, 70284, 105426, 210852, 521273, 1042546, 1563819, 2085092, 3127638, 4691457, 6255276, 9382914, 18765828]

約数ペア:

[(1, 18765828), (2, 9382914), (3, 6255276), (4, 4691457), (6, 3127638), (9, 2085092), (12, 1563819), (18, 1042546), (36, 521273), (89, 210852), (178, 105426), (267, 70284), (356, 52713), (534, 35142), (801, 23428), (1068, 17571), (1602, 11714), (3204, 5857)]