19447440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81031}}^1$

素因数の和:81047

約数の個数: 40

約数和(自身を含む): 60287808

約数和(自身を除く): 40840368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81031, 162062, 243093, 324124, 405155, 486186, 648248, 810310, 972372, 1215465, 1296496, 1620620, 1944744, 2430930, 3241240, 3889488, 4861860, 6482480, 9723720, 19447440]

約数ペア:

[(1, 19447440), (2, 9723720), (3, 6482480), (4, 4861860), (5, 3889488), (6, 3241240), (8, 2430930), (10, 1944744), (12, 1620620), (15, 1296496), (16, 1215465), (20, 972372), (24, 810310), (30, 648248), (40, 486186), (48, 405155), (60, 324124), (80, 243093), (120, 162062), (240, 81031)]