18518060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2053}}^1$

素因数の和:2114

約数の個数: 48

約数和(自身を含む): 43479072

約数和(自身を除く): 24961012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2053, 2255, 4106, 4510, 8212, 9020, 10265, 20530, 22583, 41060, 45166, 84173, 90332, 112915, 168346, 225830, 336692, 420865, 451660, 841730, 925903, 1683460, 1851806, 3703612, 4629515, 9259030, 18518060]

約数ペア:

[(1, 18518060), (2, 9259030), (4, 4629515), (5, 3703612), (10, 1851806), (11, 1683460), (20, 925903), (22, 841730), (41, 451660), (44, 420865), (55, 336692), (82, 225830), (110, 168346), (164, 112915), (205, 90332), (220, 84173), (410, 45166), (451, 41060), (820, 22583), (902, 20530), (1804, 10265), (2053, 9020), (2255, 8212), (4106, 4510)]