19099276

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 39739392

約数和(自身を除く): 20640116

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 127, 131, 164, 254, 262, 287, 508, 524, 574, 889, 917, 1148, 1778, 1834, 3556, 3668, 5207, 5371, 10414, 10742, 16637, 20828, 21484, 33274, 36449, 37597, 66548, 72898, 75194, 116459, 145796, 150388, 232918, 465836, 682117, 1364234, 2728468, 4774819, 9549638, 19099276]

約数ペア:

[(1, 19099276), (2, 9549638), (4, 4774819), (7, 2728468), (14, 1364234), (28, 682117), (41, 465836), (82, 232918), (127, 150388), (131, 145796), (164, 116459), (254, 75194), (262, 72898), (287, 66548), (508, 37597), (524, 36449), (574, 33274), (889, 21484), (917, 20828), (1148, 16637), (1778, 10742), (1834, 10414), (3556, 5371), (3668, 5207)]