18015256

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 23042024

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 71, 92, 142, 161, 184, 197, 284, 322, 394, 497, 568, 644, 788, 994, 1288, 1379, 1576, 1633, 1988, 2758, 3266, 3976, 4531, 5516, 6532, 9062, 11032, 11431, 13064, 13987, 18124, 22862, 27974, 31717, 36248, 45724, 55948, 63434, 91448, 97909, 111896, 126868, 195818, 253736, 321701, 391636, 643402, 783272, 1286804, 2251907, 2573608, 4503814, 9007628, 18015256]

約数ペア:

[(1, 18015256), (2, 9007628), (4, 4503814), (7, 2573608), (8, 2251907), (14, 1286804), (23, 783272), (28, 643402), (46, 391636), (56, 321701), (71, 253736), (92, 195818), (142, 126868), (161, 111896), (184, 97909), (197, 91448), (284, 63434), (322, 55948), (394, 45724), (497, 36248), (568, 31717), (644, 27974), (788, 22862), (994, 18124), (1288, 13987), (1379, 13064), (1576, 11431), (1633, 11032), (1988, 9062), (2758, 6532), (3266, 5516), (3976, 4531)]