18399688979

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1\times {\mathrm{1277}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 21783499776

約数和(自身を除く): 3383810797

約数列:

[1, 7, 53, 71, 371, 497, 547, 1277, 3763, 3829, 8939, 26341, 28991, 38837, 67681, 90667, 202937, 271859, 473767, 634669, 698519, 2058361, 4805351, 4889633, 14408527, 33637457, 37021507, 49594849, 259150549, 347163943, 2628526997, 18399688979]

約数ペア:

[(1, 18399688979), (7, 2628526997), (53, 347163943), (71, 259150549), (371, 49594849), (497, 37021507), (547, 33637457), (1277, 14408527), (3763, 4889633), (3829, 4805351), (8939, 2058361), (26341, 698519), (28991, 634669), (38837, 473767), (67681, 271859), (90667, 202937)]