19843950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{18899}}^1$

素因数の和:18921

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 36402450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 18899, 37798, 56697, 94495, 113394, 132293, 188990, 264586, 283485, 396879, 472475, 566970, 661465, 793758, 944950, 1322930, 1417425, 1984395, 2834850, 3307325, 3968790, 6614650, 9921975, 19843950]

約数ペア:

[(1, 19843950), (2, 9921975), (3, 6614650), (5, 3968790), (6, 3307325), (7, 2834850), (10, 1984395), (14, 1417425), (15, 1322930), (21, 944950), (25, 793758), (30, 661465), (35, 566970), (42, 472475), (50, 396879), (70, 283485), (75, 264586), (105, 188990), (150, 132293), (175, 113394), (210, 94495), (350, 56697), (525, 37798), (1050, 18899)]