18981288

素因数分解:

$2^3\times 3^2\times {\mathrm{113}}^1\times {\mathrm{2333}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 51884820

約数和(自身を除く): 32903532

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 113, 226, 339, 452, 678, 904, 1017, 1356, 2034, 2333, 2712, 4068, 4666, 6999, 8136, 9332, 13998, 18664, 20997, 27996, 41994, 55992, 83988, 167976, 263629, 527258, 790887, 1054516, 1581774, 2109032, 2372661, 3163548, 4745322, 6327096, 9490644, 18981288]

約数ペア:

[(1, 18981288), (2, 9490644), (3, 6327096), (4, 4745322), (6, 3163548), (8, 2372661), (9, 2109032), (12, 1581774), (18, 1054516), (24, 790887), (36, 527258), (72, 263629), (113, 167976), (226, 83988), (339, 55992), (452, 41994), (678, 27996), (904, 20997), (1017, 18664), (1356, 13998), (2034, 9332), (2333, 8136), (2712, 6999), (4068, 4666)]