19420856

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 47305440

約数和(自身を除く): 27884584

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 49, 52, 56, 74, 91, 98, 103, 104, 148, 182, 196, 206, 259, 296, 364, 392, 412, 481, 518, 637, 721, 728, 824, 962, 1036, 1274, 1339, 1442, 1813, 1924, 2072, 2548, 2678, 2884, 3367, 3626, 3811, 3848, 5047, 5096, 5356, 5768, 6734, 7252, 7622, 9373, 10094, 10712, 13468, 14504, 15244, 18746, 20188, 23569, 26677, 26936, 30488, 37492, 40376, 47138, 49543, 53354, 65611, 74984, 94276, 99086, 106708, 131222, 186739, 188552, 198172, 213416, 262444, 346801, 373478, 396344, 524888, 693602, 746956, 1387204, 1493912, 2427607, 2774408, 4855214, 9710428, 19420856]

約数ペア:

[(1, 19420856), (2, 9710428), (4, 4855214), (7, 2774408), (8, 2427607), (13, 1493912), (14, 1387204), (26, 746956), (28, 693602), (37, 524888), (49, 396344), (52, 373478), (56, 346801), (74, 262444), (91, 213416), (98, 198172), (103, 188552), (104, 186739), (148, 131222), (182, 106708), (196, 99086), (206, 94276), (259, 74984), (296, 65611), (364, 53354), (392, 49543), (412, 47138), (481, 40376), (518, 37492), (637, 30488), (721, 26936), (728, 26677), (824, 23569), (962, 20188), (1036, 18746), (1274, 15244), (1339, 14504), (1442, 13468), (1813, 10712), (1924, 10094), (2072, 9373), (2548, 7622), (2678, 7252), (2884, 6734), (3367, 5768), (3626, 5356), (3811, 5096), (3848, 5047)]