19886700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 58051840

約数和(自身を除く): 38165140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 151, 300, 302, 439, 453, 604, 755, 878, 906, 1317, 1510, 1756, 1812, 2195, 2265, 2634, 3020, 3775, 4390, 4530, 5268, 6585, 7550, 8780, 9060, 10975, 11325, 13170, 15100, 21950, 22650, 26340, 32925, 43900, 45300, 65850, 66289, 131700, 132578, 198867, 265156, 331445, 397734, 662890, 795468, 994335, 1325780, 1657225, 1988670, 3314450, 3977340, 4971675, 6628900, 9943350, 19886700]

約数ペア:

[(1, 19886700), (2, 9943350), (3, 6628900), (4, 4971675), (5, 3977340), (6, 3314450), (10, 1988670), (12, 1657225), (15, 1325780), (20, 994335), (25, 795468), (30, 662890), (50, 397734), (60, 331445), (75, 265156), (100, 198867), (150, 132578), (151, 131700), (300, 66289), (302, 65850), (439, 45300), (453, 43900), (604, 32925), (755, 26340), (878, 22650), (906, 21950), (1317, 15100), (1510, 13170), (1756, 11325), (1812, 10975), (2195, 9060), (2265, 8780), (2634, 7550), (3020, 6585), (3775, 5268), (4390, 4530)]