19446700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2137}}^1$

素因数の和:2171

約数の個数: 72

約数和(自身を含む): 51961952

約数和(自身を除く): 32515252

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2137, 2275, 4274, 4550, 8548, 9100, 10685, 14959, 21370, 27781, 29918, 42740, 53425, 55562, 59836, 74795, 106850, 111124, 138905, 149590, 194467, 213700, 277810, 299180, 373975, 388934, 555620, 694525, 747950, 777868, 972335, 1389050, 1495900, 1944670, 2778100, 3889340, 4861675, 9723350, 19446700]

約数ペア:

[(1, 19446700), (2, 9723350), (4, 4861675), (5, 3889340), (7, 2778100), (10, 1944670), (13, 1495900), (14, 1389050), (20, 972335), (25, 777868), (26, 747950), (28, 694525), (35, 555620), (50, 388934), (52, 373975), (65, 299180), (70, 277810), (91, 213700), (100, 194467), (130, 149590), (140, 138905), (175, 111124), (182, 106850), (260, 74795), (325, 59836), (350, 55562), (364, 53425), (455, 42740), (650, 29918), (700, 27781), (910, 21370), (1300, 14959), (1820, 10685), (2137, 9100), (2275, 8548), (4274, 4550)]