19512843

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 11356149

約数列:

[1, 3, 7, 21, 41, 123, 131, 173, 287, 393, 519, 861, 917, 1211, 2751, 3633, 5371, 7093, 16113, 21279, 22663, 37597, 49651, 67989, 112791, 148953, 158641, 475923, 929183, 2787549, 6504281, 19512843]

約数ペア:

[(1, 19512843), (3, 6504281), (7, 2787549), (21, 929183), (41, 475923), (123, 158641), (131, 148953), (173, 112791), (287, 67989), (393, 49651), (519, 37597), (861, 22663), (917, 21279), (1211, 16113), (2751, 7093), (3633, 5371)]