19885492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 39682944

約数和(自身を除く): 19797452

約数列:

[1, 2, 4, 11, 22, 41, 44, 73, 82, 146, 151, 164, 292, 302, 451, 604, 803, 902, 1606, 1661, 1804, 2993, 3212, 3322, 5986, 6191, 6644, 11023, 11972, 12382, 22046, 24764, 32923, 44092, 65846, 68101, 121253, 131692, 136202, 242506, 272404, 451943, 485012, 903886, 1807772, 4971373, 9942746, 19885492]

約数ペア:

[(1, 19885492), (2, 9942746), (4, 4971373), (11, 1807772), (22, 903886), (41, 485012), (44, 451943), (73, 272404), (82, 242506), (146, 136202), (151, 131692), (164, 121253), (292, 68101), (302, 65846), (451, 44092), (604, 32923), (803, 24764), (902, 22046), (1606, 12382), (1661, 11972), (1804, 11023), (2993, 6644), (3212, 6191), (3322, 5986)]