19891014

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 27525306

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 97, 143, 194, 239, 286, 291, 429, 478, 582, 717, 858, 1067, 1261, 1434, 2134, 2522, 2629, 3107, 3201, 3783, 5258, 6214, 6402, 7566, 7887, 9321, 13871, 15774, 18642, 23183, 27742, 34177, 41613, 46366, 68354, 69549, 83226, 102531, 139098, 205062, 255013, 301379, 510026, 602758, 765039, 904137, 1530078, 1808274, 3315169, 6630338, 9945507, 19891014]

約数ペア:

[(1, 19891014), (2, 9945507), (3, 6630338), (6, 3315169), (11, 1808274), (13, 1530078), (22, 904137), (26, 765039), (33, 602758), (39, 510026), (66, 301379), (78, 255013), (97, 205062), (143, 139098), (194, 102531), (239, 83226), (286, 69549), (291, 68354), (429, 46366), (478, 41613), (582, 34177), (717, 27742), (858, 23183), (1067, 18642), (1261, 15774), (1434, 13871), (2134, 9321), (2522, 7887), (2629, 7566), (3107, 6402), (3201, 6214), (3783, 5258)]