18939912

素因数分解:

$2^3\times 3^1\times {\mathrm{89}}^1\times {\mathrm{8867}}^1$

素因数の和:8965

約数の個数: 32

約数和(自身を含む): 47887200

約数和(自身を除く): 28947288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 89, 178, 267, 356, 534, 712, 1068, 2136, 8867, 17734, 26601, 35468, 53202, 70936, 106404, 212808, 789163, 1578326, 2367489, 3156652, 4734978, 6313304, 9469956, 18939912]

約数ペア:

[(1, 18939912), (2, 9469956), (3, 6313304), (4, 4734978), (6, 3156652), (8, 2367489), (12, 1578326), (24, 789163), (89, 212808), (178, 106404), (267, 70936), (356, 53202), (534, 35468), (712, 26601), (1068, 17734), (2136, 8867)]