19155640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 51792480

約数和(自身を除く): 32636840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 43, 56, 70, 74, 86, 140, 148, 172, 185, 215, 259, 280, 296, 301, 344, 370, 430, 518, 602, 740, 860, 1036, 1204, 1295, 1480, 1505, 1591, 1720, 1849, 2072, 2408, 2590, 3010, 3182, 3698, 5180, 6020, 6364, 7396, 7955, 9245, 10360, 11137, 12040, 12728, 12943, 14792, 15910, 18490, 22274, 25886, 31820, 36980, 44548, 51772, 55685, 63640, 64715, 68413, 73960, 89096, 103544, 111370, 129430, 136826, 222740, 258860, 273652, 342065, 445480, 478891, 517720, 547304, 684130, 957782, 1368260, 1915564, 2394455, 2736520, 3831128, 4788910, 9577820, 19155640]

約数ペア:

[(1, 19155640), (2, 9577820), (4, 4788910), (5, 3831128), (7, 2736520), (8, 2394455), (10, 1915564), (14, 1368260), (20, 957782), (28, 684130), (35, 547304), (37, 517720), (40, 478891), (43, 445480), (56, 342065), (70, 273652), (74, 258860), (86, 222740), (140, 136826), (148, 129430), (172, 111370), (185, 103544), (215, 89096), (259, 73960), (280, 68413), (296, 64715), (301, 63640), (344, 55685), (370, 51772), (430, 44548), (518, 36980), (602, 31820), (740, 25886), (860, 22274), (1036, 18490), (1204, 15910), (1295, 14792), (1480, 12943), (1505, 12728), (1591, 12040), (1720, 11137), (1849, 10360), (2072, 9245), (2408, 7955), (2590, 7396), (3010, 6364), (3182, 6020), (3698, 5180)]