31387734

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1873}}^1$

素因数の和:1914

約数の個数: 72

約数和(自身を含む): 83318040

約数和(自身を除く): 51930306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1862, 1873, 2394, 2793, 3746, 5586, 5619, 8379, 11238, 13111, 16758, 16857, 26222, 33714, 35587, 39333, 71174, 78666, 91777, 106761, 117999, 183554, 213522, 235998, 249109, 275331, 320283, 498218, 550662, 640566, 747327, 825993, 1494654, 1651986, 1743763, 2241981, 3487526, 4483962, 5231289, 10462578, 15693867, 31387734]

約数ペア:

[(1, 31387734), (2, 15693867), (3, 10462578), (6, 5231289), (7, 4483962), (9, 3487526), (14, 2241981), (18, 1743763), (19, 1651986), (21, 1494654), (38, 825993), (42, 747327), (49, 640566), (57, 550662), (63, 498218), (98, 320283), (114, 275331), (126, 249109), (133, 235998), (147, 213522), (171, 183554), (266, 117999), (294, 106761), (342, 91777), (399, 78666), (441, 71174), (798, 39333), (882, 35587), (931, 33714), (1197, 26222), (1862, 16857), (1873, 16758), (2394, 13111), (2793, 11238), (3746, 8379), (5586, 5619)]