19840744

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1094

約数の個数: 64

約数和(自身を含む): 47923200

約数和(自身を除く): 28082456

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1039, 1364, 1736, 2078, 2387, 2728, 4156, 4774, 7273, 8312, 9548, 11429, 14546, 19096, 22858, 29092, 32209, 45716, 58184, 64418, 80003, 91432, 128836, 160006, 225463, 257672, 320012, 354299, 450926, 640024, 708598, 901852, 1417196, 1803704, 2480093, 2834392, 4960186, 9920372, 19840744]

約数ペア:

[(1, 19840744), (2, 9920372), (4, 4960186), (7, 2834392), (8, 2480093), (11, 1803704), (14, 1417196), (22, 901852), (28, 708598), (31, 640024), (44, 450926), (56, 354299), (62, 320012), (77, 257672), (88, 225463), (124, 160006), (154, 128836), (217, 91432), (248, 80003), (308, 64418), (341, 58184), (434, 45716), (616, 32209), (682, 29092), (868, 22858), (1039, 19096), (1364, 14546), (1736, 11429), (2078, 9548), (2387, 8312), (2728, 7273), (4156, 4774)]