19379745

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 46096128

約数和(自身を除く): 26716383

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 21, 33, 35, 45, 47, 49, 51, 55, 63, 77, 85, 99, 105, 119, 141, 147, 153, 165, 187, 231, 235, 245, 255, 315, 329, 357, 385, 423, 441, 495, 517, 539, 561, 595, 693, 705, 735, 765, 799, 833, 935, 987, 1071, 1155, 1309, 1551, 1617, 1645, 1683, 1785, 2115, 2205, 2303, 2397, 2499, 2585, 2695, 2805, 2961, 3465, 3619, 3927, 3995, 4165, 4653, 4851, 4935, 5355, 5593, 6545, 6909, 7191, 7497, 7755, 8085, 8415, 8789, 9163, 10857, 11515, 11781, 11985, 12495, 14805, 16779, 18095, 19635, 20727, 23265, 24255, 25333, 26367, 27489, 27965, 32571, 34545, 35955, 37485, 39151, 43945, 45815, 50337, 54285, 58905, 61523, 75999, 79101, 82467, 83895, 103635, 117453, 126665, 131835, 137445, 162855, 184569, 195755, 227997, 251685, 307615, 352359, 379995, 395505, 412335, 430661, 553707, 587265, 922845, 1139985, 1291983, 1761795, 2153305, 2768535, 3875949, 6459915, 19379745]

約数ペア:

[(1, 19379745), (3, 6459915), (5, 3875949), (7, 2768535), (9, 2153305), (11, 1761795), (15, 1291983), (17, 1139985), (21, 922845), (33, 587265), (35, 553707), (45, 430661), (47, 412335), (49, 395505), (51, 379995), (55, 352359), (63, 307615), (77, 251685), (85, 227997), (99, 195755), (105, 184569), (119, 162855), (141, 137445), (147, 131835), (153, 126665), (165, 117453), (187, 103635), (231, 83895), (235, 82467), (245, 79101), (255, 75999), (315, 61523), (329, 58905), (357, 54285), (385, 50337), (423, 45815), (441, 43945), (495, 39151), (517, 37485), (539, 35955), (561, 34545), (595, 32571), (693, 27965), (705, 27489), (735, 26367), (765, 25333), (799, 24255), (833, 23265), (935, 20727), (987, 19635), (1071, 18095), (1155, 16779), (1309, 14805), (1551, 12495), (1617, 11985), (1645, 11781), (1683, 11515), (1785, 10857), (2115, 9163), (2205, 8789), (2303, 8415), (2397, 8085), (2499, 7755), (2585, 7497), (2695, 7191), (2805, 6909), (2961, 6545), (3465, 5593), (3619, 5355), (3927, 4935), (3995, 4851), (4165, 4653)]