19479915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 42771456

約数和(自身を除く): 23291541

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 67, 71, 91, 105, 117, 195, 201, 213, 273, 315, 335, 355, 455, 469, 497, 585, 603, 639, 819, 871, 923, 1005, 1065, 1365, 1407, 1491, 2345, 2485, 2613, 2769, 3015, 3195, 4095, 4221, 4355, 4473, 4615, 4757, 6097, 6461, 7035, 7455, 7839, 8307, 13065, 13845, 14271, 18291, 19383, 21105, 22365, 23785, 30485, 32305, 33299, 39195, 41535, 42813, 54873, 58149, 61841, 71355, 91455, 96915, 99897, 166495, 185523, 214065, 274365, 290745, 299691, 309205, 432887, 499485, 556569, 927615, 1298661, 1498455, 2164435, 2782845, 3895983, 6493305, 19479915]

約数ペア:

[(1, 19479915), (3, 6493305), (5, 3895983), (7, 2782845), (9, 2164435), (13, 1498455), (15, 1298661), (21, 927615), (35, 556569), (39, 499485), (45, 432887), (63, 309205), (65, 299691), (67, 290745), (71, 274365), (91, 214065), (105, 185523), (117, 166495), (195, 99897), (201, 96915), (213, 91455), (273, 71355), (315, 61841), (335, 58149), (355, 54873), (455, 42813), (469, 41535), (497, 39195), (585, 33299), (603, 32305), (639, 30485), (819, 23785), (871, 22365), (923, 21105), (1005, 19383), (1065, 18291), (1365, 14271), (1407, 13845), (1491, 13065), (2345, 8307), (2485, 7839), (2613, 7455), (2769, 7035), (3015, 6461), (3195, 6097), (4095, 4757), (4221, 4615), (4355, 4473)]