18984700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 48420512

約数和(自身を除く): 29435812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 140, 148, 175, 185, 259, 350, 370, 518, 700, 733, 740, 925, 1036, 1295, 1466, 1850, 2590, 2932, 3665, 3700, 5131, 5180, 6475, 7330, 10262, 12950, 14660, 18325, 20524, 25655, 25900, 27121, 36650, 51310, 54242, 73300, 102620, 108484, 128275, 135605, 189847, 256550, 271210, 379694, 513100, 542420, 678025, 759388, 949235, 1356050, 1898470, 2712100, 3796940, 4746175, 9492350, 18984700]

約数ペア:

[(1, 18984700), (2, 9492350), (4, 4746175), (5, 3796940), (7, 2712100), (10, 1898470), (14, 1356050), (20, 949235), (25, 759388), (28, 678025), (35, 542420), (37, 513100), (50, 379694), (70, 271210), (74, 256550), (100, 189847), (140, 135605), (148, 128275), (175, 108484), (185, 102620), (259, 73300), (350, 54242), (370, 51310), (518, 36650), (700, 27121), (733, 25900), (740, 25655), (925, 20524), (1036, 18325), (1295, 14660), (1466, 12950), (1850, 10262), (2590, 7330), (2932, 6475), (3665, 5180), (3700, 5131)]