19751277

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 13149843

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1019, 1491, 2769, 3057, 6461, 7133, 13247, 19383, 21399, 39741, 72349, 92729, 217047, 278187, 506443, 940537, 1519329, 2821611, 6583759, 19751277]

約数ペア:

[(1, 19751277), (3, 6583759), (7, 2821611), (13, 1519329), (21, 940537), (39, 506443), (71, 278187), (91, 217047), (213, 92729), (273, 72349), (497, 39741), (923, 21399), (1019, 19383), (1491, 13247), (2769, 7133), (3057, 6461)]