18137140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{367}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 43771392

約数和(自身を除く): 25634252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 367, 706, 734, 1412, 1468, 1765, 1835, 2471, 2569, 3530, 3670, 4942, 5138, 7060, 7340, 9884, 10276, 12355, 12845, 24710, 25690, 49420, 51380, 129551, 259102, 518204, 647755, 906857, 1295510, 1813714, 2591020, 3627428, 4534285, 9068570, 18137140]

約数ペア:

[(1, 18137140), (2, 9068570), (4, 4534285), (5, 3627428), (7, 2591020), (10, 1813714), (14, 1295510), (20, 906857), (28, 647755), (35, 518204), (70, 259102), (140, 129551), (353, 51380), (367, 49420), (706, 25690), (734, 24710), (1412, 12845), (1468, 12355), (1765, 10276), (1835, 9884), (2471, 7340), (2569, 7060), (3530, 5138), (3670, 4942)]