9918220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 23059008

約数和(自身を除く): 13140788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1031, 1924, 2062, 2405, 4124, 4810, 5155, 9620, 10310, 13403, 20620, 26806, 38147, 53612, 67015, 76294, 134030, 152588, 190735, 268060, 381470, 495911, 762940, 991822, 1983644, 2479555, 4959110, 9918220]

約数ペア:

[(1, 9918220), (2, 4959110), (4, 2479555), (5, 1983644), (10, 991822), (13, 762940), (20, 495911), (26, 381470), (37, 268060), (52, 190735), (65, 152588), (74, 134030), (130, 76294), (148, 67015), (185, 53612), (260, 38147), (370, 26806), (481, 20620), (740, 13403), (962, 10310), (1031, 9620), (1924, 5155), (2062, 4810), (2405, 4124)]