19796252

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 42147840

約数和(自身を除く): 22351588

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 127, 133, 254, 266, 293, 508, 532, 586, 889, 1172, 1778, 2051, 2413, 3556, 4102, 4826, 5567, 8204, 9652, 11134, 16891, 22268, 33782, 37211, 38969, 67564, 74422, 77938, 148844, 155876, 260477, 520954, 707009, 1041908, 1414018, 2828036, 4949063, 9898126, 19796252]

約数ペア:

[(1, 19796252), (2, 9898126), (4, 4949063), (7, 2828036), (14, 1414018), (19, 1041908), (28, 707009), (38, 520954), (76, 260477), (127, 155876), (133, 148844), (254, 77938), (266, 74422), (293, 67564), (508, 38969), (532, 37211), (586, 33782), (889, 22268), (1172, 16891), (1778, 11134), (2051, 9652), (2413, 8204), (3556, 5567), (4102, 4826)]