18865336

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 42900480

約数和(自身を除く): 24035144

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 97, 151, 161, 184, 194, 302, 322, 388, 604, 644, 679, 776, 1057, 1208, 1288, 1358, 2114, 2231, 2716, 3473, 4228, 4462, 5432, 6946, 8456, 8924, 13892, 14647, 15617, 17848, 24311, 27784, 29294, 31234, 48622, 58588, 62468, 97244, 102529, 117176, 124936, 194488, 205058, 336881, 410116, 673762, 820232, 1347524, 2358167, 2695048, 4716334, 9432668, 18865336]

約数ペア:

[(1, 18865336), (2, 9432668), (4, 4716334), (7, 2695048), (8, 2358167), (14, 1347524), (23, 820232), (28, 673762), (46, 410116), (56, 336881), (92, 205058), (97, 194488), (151, 124936), (161, 117176), (184, 102529), (194, 97244), (302, 62468), (322, 58588), (388, 48622), (604, 31234), (644, 29294), (679, 27784), (776, 24311), (1057, 17848), (1208, 15617), (1288, 14647), (1358, 13892), (2114, 8924), (2231, 8456), (2716, 6946), (3473, 5432), (4228, 4462)]