19311006

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 46158336

約数和(自身を除く): 26847330

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 142, 143, 213, 286, 317, 426, 429, 634, 781, 858, 923, 951, 1562, 1846, 1902, 2343, 2769, 3487, 4121, 4686, 5538, 6974, 8242, 10153, 10461, 12363, 20306, 20922, 22507, 24726, 30459, 45014, 45331, 60918, 67521, 90662, 135042, 135993, 247577, 271986, 292591, 495154, 585182, 742731, 877773, 1485462, 1755546, 3218501, 6437002, 9655503, 19311006]

約数ペア:

[(1, 19311006), (2, 9655503), (3, 6437002), (6, 3218501), (11, 1755546), (13, 1485462), (22, 877773), (26, 742731), (33, 585182), (39, 495154), (66, 292591), (71, 271986), (78, 247577), (142, 135993), (143, 135042), (213, 90662), (286, 67521), (317, 60918), (426, 45331), (429, 45014), (634, 30459), (781, 24726), (858, 22507), (923, 20922), (951, 20306), (1562, 12363), (1846, 10461), (1902, 10153), (2343, 8242), (2769, 6974), (3487, 5538), (4121, 4686)]