19989590115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{853}}^1\times {\mathrm{1303}}^1$

素因数の和:2284

約数の個数: 64

約数和(自身を含む): 35279354880

約数和(自身を除く): 15289764765

約数列:

[1, 3, 5, 11, 15, 33, 55, 109, 165, 327, 545, 853, 1199, 1303, 1635, 2559, 3597, 3909, 4265, 5995, 6515, 9383, 12795, 14333, 17985, 19545, 28149, 42999, 46915, 71665, 92977, 140745, 142027, 214995, 278931, 426081, 464885, 710135, 1022747, 1111459, 1394655, 1562297, 2130405, 3068241, 3334377, 4686891, 5113735, 5557295, 7811485, 12226049, 15341205, 16671885, 23434455, 36678147, 61130245, 121149031, 183390735, 363447093, 605745155, 1332639341, 1817235465, 3997918023, 6663196705, 19989590115]

約数ペア:

[(1, 19989590115), (3, 6663196705), (5, 3997918023), (11, 1817235465), (15, 1332639341), (33, 605745155), (55, 363447093), (109, 183390735), (165, 121149031), (327, 61130245), (545, 36678147), (853, 23434455), (1199, 16671885), (1303, 15341205), (1635, 12226049), (2559, 7811485), (3597, 5557295), (3909, 5113735), (4265, 4686891), (5995, 3334377), (6515, 3068241), (9383, 2130405), (12795, 1562297), (14333, 1394655), (17985, 1111459), (19545, 1022747), (28149, 710135), (42999, 464885), (46915, 426081), (71665, 278931), (92977, 214995), (140745, 142027)]