19802019972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2162737}}^1$

素因数の和:2162860

約数の個数: 48

約数和(自身を含む): 53289864320

約数和(自身を除く): 33487844348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2289, 3052, 4578, 9156, 2162737, 4325474, 6488211, 8650948, 12976422, 15139159, 25952844, 30278318, 45417477, 60556636, 90834954, 181669908, 235738333, 471476666, 707214999, 942953332, 1414429998, 1650168331, 2828859996, 3300336662, 4950504993, 6600673324, 9901009986, 19802019972]

約数ペア:

[(1, 19802019972), (2, 9901009986), (3, 6600673324), (4, 4950504993), (6, 3300336662), (7, 2828859996), (12, 1650168331), (14, 1414429998), (21, 942953332), (28, 707214999), (42, 471476666), (84, 235738333), (109, 181669908), (218, 90834954), (327, 60556636), (436, 45417477), (654, 30278318), (763, 25952844), (1308, 15139159), (1526, 12976422), (2289, 8650948), (3052, 6488211), (4578, 4325474), (9156, 2162737)]