19519178

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 15006262

約数列:

[1, 2, 7, 14, 71, 73, 142, 146, 269, 497, 511, 538, 994, 1022, 1883, 3766, 5183, 10366, 19099, 19637, 36281, 38198, 39274, 72562, 133693, 137459, 267386, 274918, 1394227, 2788454, 9759589, 19519178]

約数ペア:

[(1, 19519178), (2, 9759589), (7, 2788454), (14, 1394227), (71, 274918), (73, 267386), (142, 137459), (146, 133693), (269, 72562), (497, 39274), (511, 38198), (538, 36281), (994, 19637), (1022, 19099), (1883, 10366), (3766, 5183)]