19793877

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 28984320

約数和(自身を除く): 9190443

約数列:

[1, 3, 19, 57, 67, 71, 73, 201, 213, 219, 1273, 1349, 1387, 3819, 4047, 4161, 4757, 4891, 5183, 14271, 14673, 15549, 90383, 92929, 98477, 271149, 278787, 295431, 347261, 1041783, 6597959, 19793877]

約数ペア:

[(1, 19793877), (3, 6597959), (19, 1041783), (57, 347261), (67, 295431), (71, 278787), (73, 271149), (201, 98477), (213, 92929), (219, 90383), (1273, 15549), (1349, 14673), (1387, 14271), (3819, 5183), (4047, 4891), (4161, 4757)]