19221645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 33340032

約数和(自身を除く): 14118387

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 1753, 2193, 3655, 5259, 8765, 10965, 26295, 29801, 75379, 89403, 149005, 226137, 376895, 447015, 1130685, 1281443, 3844329, 6407215, 19221645]

約数ペア:

[(1, 19221645), (3, 6407215), (5, 3844329), (15, 1281443), (17, 1130685), (43, 447015), (51, 376895), (85, 226137), (129, 149005), (215, 89403), (255, 75379), (645, 29801), (731, 26295), (1753, 10965), (2193, 8765), (3655, 5259)]