18805672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2609}}^1$

素因数の和:2685

約数の個数: 32

約数和(自身を含む): 38053800

約数和(自身を除く): 19248128

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 2609, 3604, 5218, 7208, 10436, 20872, 44353, 88706, 138277, 177412, 276554, 354824, 553108, 1106216, 2350709, 4701418, 9402836, 18805672]

約数ペア:

[(1, 18805672), (2, 9402836), (4, 4701418), (8, 2350709), (17, 1106216), (34, 553108), (53, 354824), (68, 276554), (106, 177412), (136, 138277), (212, 88706), (424, 44353), (901, 20872), (1802, 10436), (2609, 7208), (3604, 5218)]