19970550

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{4931}}^1$

素因数の和:4955

約数の個数: 60

約数和(自身を含む): 55499796

約数和(自身を除く): 35529246

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 270, 405, 450, 675, 810, 1350, 2025, 4050, 4931, 9862, 14793, 24655, 29586, 44379, 49310, 73965, 88758, 123275, 133137, 147930, 221895, 246550, 266274, 369825, 399411, 443790, 665685, 739650, 798822, 1109475, 1331370, 1997055, 2218950, 3328425, 3994110, 6656850, 9985275, 19970550]

約数ペア:

[(1, 19970550), (2, 9985275), (3, 6656850), (5, 3994110), (6, 3328425), (9, 2218950), (10, 1997055), (15, 1331370), (18, 1109475), (25, 798822), (27, 739650), (30, 665685), (45, 443790), (50, 399411), (54, 369825), (75, 266274), (81, 246550), (90, 221895), (135, 147930), (150, 133137), (162, 123275), (225, 88758), (270, 73965), (405, 49310), (450, 44379), (675, 29586), (810, 24655), (1350, 14793), (2025, 9862), (4050, 4931)]