19439860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 46587240

約数和(自身を除く): 27147380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 277, 290, 319, 484, 554, 580, 605, 638, 1108, 1210, 1276, 1385, 1595, 2420, 2770, 3047, 3190, 3509, 5540, 6094, 6380, 7018, 8033, 12188, 14036, 15235, 16066, 17545, 30470, 32132, 33517, 35090, 40165, 60940, 67034, 70180, 80330, 88363, 134068, 160660, 167585, 176726, 335170, 353452, 441815, 670340, 883630, 971993, 1767260, 1943986, 3887972, 4859965, 9719930, 19439860]

約数ペア:

[(1, 19439860), (2, 9719930), (4, 4859965), (5, 3887972), (10, 1943986), (11, 1767260), (20, 971993), (22, 883630), (29, 670340), (44, 441815), (55, 353452), (58, 335170), (110, 176726), (116, 167585), (121, 160660), (145, 134068), (220, 88363), (242, 80330), (277, 70180), (290, 67034), (319, 60940), (484, 40165), (554, 35090), (580, 33517), (605, 32132), (638, 30470), (1108, 17545), (1210, 16066), (1276, 15235), (1385, 14036), (1595, 12188), (2420, 8033), (2770, 7018), (3047, 6380), (3190, 6094), (3509, 5540)]