18974294

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 31069440

約数和(自身を除く): 12095146

約数列:

[1, 2, 29, 31, 58, 61, 62, 122, 173, 346, 899, 1769, 1798, 1891, 3538, 3782, 5017, 5363, 10034, 10553, 10726, 21106, 54839, 109678, 155527, 306037, 311054, 327143, 612074, 654286, 9487147, 18974294]

約数ペア:

[(1, 18974294), (2, 9487147), (29, 654286), (31, 612074), (58, 327143), (61, 311054), (62, 306037), (122, 155527), (173, 109678), (346, 54839), (899, 21106), (1769, 10726), (1798, 10553), (1891, 10034), (3538, 5363), (3782, 5017)]