18608260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2063}}^1$

素因数の和:2124

約数の個数: 48

約数和(自身を含む): 43690752

約数和(自身を除く): 25082492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2063, 2255, 4126, 4510, 8252, 9020, 10315, 20630, 22693, 41260, 45386, 84583, 90772, 113465, 169166, 226930, 338332, 422915, 453860, 845830, 930413, 1691660, 1860826, 3721652, 4652065, 9304130, 18608260]

約数ペア:

[(1, 18608260), (2, 9304130), (4, 4652065), (5, 3721652), (10, 1860826), (11, 1691660), (20, 930413), (22, 845830), (41, 453860), (44, 422915), (55, 338332), (82, 226930), (110, 169166), (164, 113465), (205, 90772), (220, 84583), (410, 45386), (451, 41260), (820, 22693), (902, 20630), (1804, 10315), (2063, 9020), (2255, 8252), (4126, 4510)]