19300980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7481}}^1$

素因数の和:7536

約数の個数: 48

約数和(自身を含む): 55306944

約数和(自身を除く): 36005964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7481, 14962, 22443, 29924, 37405, 44886, 74810, 89772, 112215, 149620, 224430, 321683, 448860, 643366, 965049, 1286732, 1608415, 1930098, 3216830, 3860196, 4825245, 6433660, 9650490, 19300980]

約数ペア:

[(1, 19300980), (2, 9650490), (3, 6433660), (4, 4825245), (5, 3860196), (6, 3216830), (10, 1930098), (12, 1608415), (15, 1286732), (20, 965049), (30, 643366), (43, 448860), (60, 321683), (86, 224430), (129, 149620), (172, 112215), (215, 89772), (258, 74810), (430, 44886), (516, 37405), (645, 29924), (860, 22443), (1290, 14962), (2580, 7481)]