18406850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{683}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 43510608

約数和(自身を除く): 25103758

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 110, 154, 175, 245, 275, 350, 385, 490, 539, 550, 683, 770, 1078, 1225, 1366, 1925, 2450, 2695, 3415, 3850, 4781, 5390, 6830, 7513, 9562, 13475, 15026, 17075, 23905, 26950, 33467, 34150, 37565, 47810, 52591, 66934, 75130, 105182, 119525, 167335, 187825, 239050, 262955, 334670, 368137, 375650, 525910, 736274, 836675, 1314775, 1673350, 1840685, 2629550, 3681370, 9203425, 18406850]

約数ペア:

[(1, 18406850), (2, 9203425), (5, 3681370), (7, 2629550), (10, 1840685), (11, 1673350), (14, 1314775), (22, 836675), (25, 736274), (35, 525910), (49, 375650), (50, 368137), (55, 334670), (70, 262955), (77, 239050), (98, 187825), (110, 167335), (154, 119525), (175, 105182), (245, 75130), (275, 66934), (350, 52591), (385, 47810), (490, 37565), (539, 34150), (550, 33467), (683, 26950), (770, 23905), (1078, 17075), (1225, 15026), (1366, 13475), (1925, 9562), (2450, 7513), (2695, 6830), (3415, 5390), (3850, 4781)]