18453260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1481}}^1$

素因数の和:1586

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 26362420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1481, 1780, 2492, 2962, 3115, 5924, 6230, 7405, 10367, 12460, 14810, 20734, 29620, 41468, 51835, 103670, 131809, 207340, 263618, 527236, 659045, 922663, 1318090, 1845326, 2636180, 3690652, 4613315, 9226630, 18453260]

約数ペア:

[(1, 18453260), (2, 9226630), (4, 4613315), (5, 3690652), (7, 2636180), (10, 1845326), (14, 1318090), (20, 922663), (28, 659045), (35, 527236), (70, 263618), (89, 207340), (140, 131809), (178, 103670), (356, 51835), (445, 41468), (623, 29620), (890, 20734), (1246, 14810), (1481, 12460), (1780, 10367), (2492, 7405), (2962, 6230), (3115, 5924)]