17998280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12161}}^1$

素因数の和:12209

約数の個数: 32

約数和(自身を含む): 41594040

約数和(自身を除く): 23595760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12161, 24322, 48644, 60805, 97288, 121610, 243220, 449957, 486440, 899914, 1799828, 2249785, 3599656, 4499570, 8999140, 17998280]

約数ペア:

[(1, 17998280), (2, 8999140), (4, 4499570), (5, 3599656), (8, 2249785), (10, 1799828), (20, 899914), (37, 486440), (40, 449957), (74, 243220), (148, 121610), (185, 97288), (296, 60805), (370, 48644), (740, 24322), (1480, 12161)]