18002720

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3041}}^1$

素因数の和:3093

約数の個数: 48

約数和(自身を含む): 43695288

約数和(自身を除く): 25692568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3041, 5920, 6082, 12164, 15205, 24328, 30410, 48656, 60820, 97312, 112517, 121640, 225034, 243280, 450068, 486560, 562585, 900136, 1125170, 1800272, 2250340, 3600544, 4500680, 9001360, 18002720]

約数ペア:

[(1, 18002720), (2, 9001360), (4, 4500680), (5, 3600544), (8, 2250340), (10, 1800272), (16, 1125170), (20, 900136), (32, 562585), (37, 486560), (40, 450068), (74, 243280), (80, 225034), (148, 121640), (160, 112517), (185, 97312), (296, 60820), (370, 48656), (592, 30410), (740, 24328), (1184, 15205), (1480, 12164), (2960, 6082), (3041, 5920)]