19746792

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 62020140

約数和(自身を除く): 42273348

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 73, 78, 102, 104, 117, 136, 146, 153, 156, 204, 219, 221, 234, 289, 292, 306, 312, 408, 438, 442, 468, 578, 584, 612, 657, 663, 867, 876, 884, 936, 949, 1156, 1224, 1241, 1314, 1326, 1734, 1752, 1768, 1898, 1989, 2312, 2482, 2601, 2628, 2652, 2847, 3468, 3723, 3757, 3796, 3978, 4964, 5202, 5256, 5304, 5694, 6936, 7446, 7514, 7592, 7956, 8541, 9928, 10404, 11169, 11271, 11388, 14892, 15028, 15912, 16133, 17082, 20808, 21097, 22338, 22542, 22776, 29784, 30056, 32266, 33813, 34164, 42194, 44676, 45084, 48399, 63291, 64532, 67626, 68328, 84388, 89352, 90168, 96798, 126582, 129064, 135252, 145197, 168776, 189873, 193596, 253164, 270504, 274261, 290394, 379746, 387192, 506328, 548522, 580788, 759492, 822783, 1097044, 1161576, 1518984, 1645566, 2194088, 2468349, 3291132, 4936698, 6582264, 9873396, 19746792]

約数ペア:

[(1, 19746792), (2, 9873396), (3, 6582264), (4, 4936698), (6, 3291132), (8, 2468349), (9, 2194088), (12, 1645566), (13, 1518984), (17, 1161576), (18, 1097044), (24, 822783), (26, 759492), (34, 580788), (36, 548522), (39, 506328), (51, 387192), (52, 379746), (68, 290394), (72, 274261), (73, 270504), (78, 253164), (102, 193596), (104, 189873), (117, 168776), (136, 145197), (146, 135252), (153, 129064), (156, 126582), (204, 96798), (219, 90168), (221, 89352), (234, 84388), (289, 68328), (292, 67626), (306, 64532), (312, 63291), (408, 48399), (438, 45084), (442, 44676), (468, 42194), (578, 34164), (584, 33813), (612, 32266), (657, 30056), (663, 29784), (867, 22776), (876, 22542), (884, 22338), (936, 21097), (949, 20808), (1156, 17082), (1224, 16133), (1241, 15912), (1314, 15028), (1326, 14892), (1734, 11388), (1752, 11271), (1768, 11169), (1898, 10404), (1989, 9928), (2312, 8541), (2482, 7956), (2601, 7592), (2628, 7514), (2652, 7446), (2847, 6936), (3468, 5694), (3723, 5304), (3757, 5256), (3796, 5202), (3978, 4964)]