17967967576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{66373}}^1$

素因数の和:66548

約数の個数: 64

約数和(自身を含む): 38470370400

約数和(自身を除く): 20502402824

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 137, 152, 247, 274, 494, 548, 988, 1096, 1781, 1976, 2603, 3562, 5206, 7124, 10412, 14248, 20824, 33839, 66373, 67678, 132746, 135356, 265492, 270712, 530984, 862849, 1261087, 1725698, 2522174, 3451396, 5044348, 6902792, 9093101, 10088696, 16394131, 18186202, 32788262, 36372404, 65576524, 72744808, 118210313, 131153048, 172768919, 236420626, 345537838, 472841252, 691075676, 945682504, 1382151352, 2245995947, 4491991894, 8983983788, 17967967576]

約数ペア:

[(1, 17967967576), (2, 8983983788), (4, 4491991894), (8, 2245995947), (13, 1382151352), (19, 945682504), (26, 691075676), (38, 472841252), (52, 345537838), (76, 236420626), (104, 172768919), (137, 131153048), (152, 118210313), (247, 72744808), (274, 65576524), (494, 36372404), (548, 32788262), (988, 18186202), (1096, 16394131), (1781, 10088696), (1976, 9093101), (2603, 6902792), (3562, 5044348), (5206, 3451396), (7124, 2522174), (10412, 1725698), (14248, 1261087), (20824, 862849), (33839, 530984), (66373, 270712), (67678, 265492), (132746, 135356)]