19419824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:657

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 20577616

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 127, 152, 254, 304, 503, 508, 1006, 1016, 2012, 2032, 2413, 4024, 4826, 8048, 9557, 9652, 19114, 19304, 38228, 38608, 63881, 76456, 127762, 152912, 255524, 511048, 1022096, 1213739, 2427478, 4854956, 9709912, 19419824]

約数ペア:

[(1, 19419824), (2, 9709912), (4, 4854956), (8, 2427478), (16, 1213739), (19, 1022096), (38, 511048), (76, 255524), (127, 152912), (152, 127762), (254, 76456), (304, 63881), (503, 38608), (508, 38228), (1006, 19304), (1016, 19114), (2012, 9652), (2032, 9557), (2413, 8048), (4024, 4826)]