18137320

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2621}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 41060520

約数和(自身を除く): 22923200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 2621, 3460, 5242, 6920, 10484, 13105, 20968, 26210, 52420, 104840, 453433, 906866, 1813732, 2267165, 3627464, 4534330, 9068660, 18137320]

約数ペア:

[(1, 18137320), (2, 9068660), (4, 4534330), (5, 3627464), (8, 2267165), (10, 1813732), (20, 906866), (40, 453433), (173, 104840), (346, 52420), (692, 26210), (865, 20968), (1384, 13105), (1730, 10484), (2621, 6920), (3460, 5242)]