18539860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 24038060

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1759, 2108, 2635, 3518, 5270, 7036, 8795, 10540, 17590, 29903, 35180, 54529, 59806, 109058, 119612, 149515, 218116, 272645, 299030, 545290, 598060, 926993, 1090580, 1853986, 3707972, 4634965, 9269930, 18539860]

約数ペア:

[(1, 18539860), (2, 9269930), (4, 4634965), (5, 3707972), (10, 1853986), (17, 1090580), (20, 926993), (31, 598060), (34, 545290), (62, 299030), (68, 272645), (85, 218116), (124, 149515), (155, 119612), (170, 109058), (310, 59806), (340, 54529), (527, 35180), (620, 29903), (1054, 17590), (1759, 10540), (2108, 8795), (2635, 7036), (3518, 5270)]