19980459873

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{4789}}^1$

素因数の和:4927

約数の個数: 96

約数和(自身を含む): 34755626880

約数和(自身を除く): 14775167007

約数列:

[1, 3, 9, 11, 17, 33, 37, 51, 67, 99, 111, 153, 187, 201, 333, 407, 561, 603, 629, 737, 1139, 1221, 1683, 1887, 2211, 2479, 3417, 3663, 4789, 5661, 6633, 6919, 7437, 10251, 12529, 14367, 20757, 22311, 27269, 37587, 42143, 43101, 52679, 62271, 81413, 81807, 112761, 126429, 158037, 177193, 244239, 245421, 320863, 379287, 463573, 474111, 531579, 732717, 895543, 962589, 1390719, 1594737, 1949123, 2686629, 2887767, 3012281, 3529493, 4172157, 5454671, 5847369, 8059887, 9036843, 10588479, 11871931, 16364013, 17542107, 27110529, 31765437, 33135091, 35615793, 49092039, 60001381, 99405273, 106847379, 130591241, 180004143, 201822827, 298215819, 391773723, 540012429, 605468481, 1175321169, 1816405443, 2220051097, 6660153291, 19980459873]

約数ペア:

[(1, 19980459873), (3, 6660153291), (9, 2220051097), (11, 1816405443), (17, 1175321169), (33, 605468481), (37, 540012429), (51, 391773723), (67, 298215819), (99, 201822827), (111, 180004143), (153, 130591241), (187, 106847379), (201, 99405273), (333, 60001381), (407, 49092039), (561, 35615793), (603, 33135091), (629, 31765437), (737, 27110529), (1139, 17542107), (1221, 16364013), (1683, 11871931), (1887, 10588479), (2211, 9036843), (2479, 8059887), (3417, 5847369), (3663, 5454671), (4789, 4172157), (5661, 3529493), (6633, 3012281), (6919, 2887767), (7437, 2686629), (10251, 1949123), (12529, 1594737), (14367, 1390719), (20757, 962589), (22311, 895543), (27269, 732717), (37587, 531579), (42143, 474111), (43101, 463573), (52679, 379287), (62271, 320863), (81413, 245421), (81807, 244239), (112761, 177193), (126429, 158037)]