19938840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{166157}}^1$

素因数の和:166171

約数の個数: 32

約数和(自身を含む): 59816880

約数和(自身を除く): 39878040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 166157, 332314, 498471, 664628, 830785, 996942, 1329256, 1661570, 1993884, 2492355, 3323140, 3987768, 4984710, 6646280, 9969420, 19938840]

約数ペア:

[(1, 19938840), (2, 9969420), (3, 6646280), (4, 4984710), (5, 3987768), (6, 3323140), (8, 2492355), (10, 1993884), (12, 1661570), (15, 1329256), (20, 996942), (24, 830785), (30, 664628), (40, 498471), (60, 332314), (120, 166157)]