19308822

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 25204458

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 47, 69, 78, 94, 138, 141, 229, 282, 299, 458, 598, 611, 687, 897, 1081, 1222, 1374, 1794, 1833, 2162, 2977, 3243, 3666, 5267, 5954, 6486, 8931, 10534, 10763, 14053, 15801, 17862, 21526, 28106, 31602, 32289, 42159, 64578, 68471, 84318, 136942, 139919, 205413, 247549, 279838, 410826, 419757, 495098, 742647, 839514, 1485294, 3218137, 6436274, 9654411, 19308822]

約数ペア:

[(1, 19308822), (2, 9654411), (3, 6436274), (6, 3218137), (13, 1485294), (23, 839514), (26, 742647), (39, 495098), (46, 419757), (47, 410826), (69, 279838), (78, 247549), (94, 205413), (138, 139919), (141, 136942), (229, 84318), (282, 68471), (299, 64578), (458, 42159), (598, 32289), (611, 31602), (687, 28106), (897, 21526), (1081, 17862), (1222, 15801), (1374, 14053), (1794, 10763), (1833, 10534), (2162, 8931), (2977, 6486), (3243, 5954), (3666, 5267)]