18888060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13687}}^1$

素因数の和:13722

約数の個数: 48

約数和(自身を含む): 55190016

約数和(自身を除く): 36301956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13687, 27374, 41061, 54748, 68435, 82122, 136870, 164244, 205305, 273740, 314801, 410610, 629602, 821220, 944403, 1259204, 1574005, 1888806, 3148010, 3777612, 4722015, 6296020, 9444030, 18888060]

約数ペア:

[(1, 18888060), (2, 9444030), (3, 6296020), (4, 4722015), (5, 3777612), (6, 3148010), (10, 1888806), (12, 1574005), (15, 1259204), (20, 944403), (23, 821220), (30, 629602), (46, 410610), (60, 314801), (69, 273740), (92, 205305), (115, 164244), (138, 136870), (230, 82122), (276, 68435), (345, 54748), (460, 41061), (690, 27374), (1380, 13687)]