19711330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2467}}^1$

素因数の和:2538

約数の個数: 32

約数和(自身を含む): 38382336

約数和(自身を除く): 18671006

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2467, 3995, 4934, 7990, 12335, 24670, 41939, 83878, 115949, 209695, 231898, 419390, 579745, 1159490, 1971133, 3942266, 9855665, 19711330]

約数ペア:

[(1, 19711330), (2, 9855665), (5, 3942266), (10, 1971133), (17, 1159490), (34, 579745), (47, 419390), (85, 231898), (94, 209695), (170, 115949), (235, 83878), (470, 41939), (799, 24670), (1598, 12335), (2467, 7990), (3995, 4934)]