19220689905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1\times {\mathrm{1201}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 32139902976

約数和(自身を除く): 12919213071

約数列:

[1, 3, 5, 15, 31, 93, 127, 155, 271, 381, 465, 635, 813, 1201, 1355, 1905, 3603, 3937, 4065, 6005, 8401, 11811, 18015, 19685, 25203, 34417, 37231, 42005, 59055, 103251, 111693, 126015, 152527, 172085, 186155, 325471, 457581, 516255, 558465, 762635, 976413, 1066927, 1627355, 2287905, 3200781, 4728337, 4882065, 5334635, 10089601, 14185011, 16003905, 23641685, 30268803, 41334817, 50448005, 70925055, 124004451, 151344015, 206674085, 620022255, 1281379327, 3844137981, 6406896635, 19220689905]

約数ペア:

[(1, 19220689905), (3, 6406896635), (5, 3844137981), (15, 1281379327), (31, 620022255), (93, 206674085), (127, 151344015), (155, 124004451), (271, 70925055), (381, 50448005), (465, 41334817), (635, 30268803), (813, 23641685), (1201, 16003905), (1355, 14185011), (1905, 10089601), (3603, 5334635), (3937, 4882065), (4065, 4728337), (6005, 3200781), (8401, 2287905), (11811, 1627355), (18015, 1066927), (19685, 976413), (25203, 762635), (34417, 558465), (37231, 516255), (42005, 457581), (59055, 325471), (103251, 186155), (111693, 172085), (126015, 152527)]