19470943472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1\times {\mathrm{1279}}^1$

素因数の和:1978

約数の個数: 80

約数和(自身を含む): 40457410560

約数和(自身を除く): 20986467088

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 97, 136, 194, 272, 388, 577, 776, 1154, 1279, 1552, 1649, 2308, 2558, 3298, 4616, 5116, 6596, 9232, 9809, 10232, 13192, 19618, 20464, 21743, 26384, 39236, 43486, 55969, 78472, 86972, 111938, 124063, 156944, 173944, 223876, 248126, 347888, 447752, 496252, 737983, 895504, 951473, 992504, 1475966, 1902946, 1985008, 2109071, 2951932, 3805892, 4218142, 5903864, 7611784, 8436284, 11807728, 12545711, 15223568, 16872568, 25091422, 33745136, 50182844, 71584351, 100365688, 143168702, 200731376, 286337404, 572674808, 1145349616, 1216933967, 2433867934, 4867735868, 9735471736, 19470943472]

約数ペア:

[(1, 19470943472), (2, 9735471736), (4, 4867735868), (8, 2433867934), (16, 1216933967), (17, 1145349616), (34, 572674808), (68, 286337404), (97, 200731376), (136, 143168702), (194, 100365688), (272, 71584351), (388, 50182844), (577, 33745136), (776, 25091422), (1154, 16872568), (1279, 15223568), (1552, 12545711), (1649, 11807728), (2308, 8436284), (2558, 7611784), (3298, 5903864), (4616, 4218142), (5116, 3805892), (6596, 2951932), (9232, 2109071), (9809, 1985008), (10232, 1902946), (13192, 1475966), (19618, 992504), (20464, 951473), (21743, 895504), (26384, 737983), (39236, 496252), (43486, 447752), (55969, 347888), (78472, 248126), (86972, 223876), (111938, 173944), (124063, 156944)]