19541109

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 31850496

約数和(自身を除く): 12309387

約数列:

[1, 3, 7, 17, 21, 51, 119, 127, 357, 381, 431, 889, 1293, 2159, 2667, 3017, 6477, 7327, 9051, 15113, 21981, 45339, 51289, 54737, 153867, 164211, 383159, 930529, 1149477, 2791587, 6513703, 19541109]

約数ペア:

[(1, 19541109), (3, 6513703), (7, 2791587), (17, 1149477), (21, 930529), (51, 383159), (119, 164211), (127, 153867), (357, 54737), (381, 51289), (431, 45339), (889, 21981), (1293, 15113), (2159, 9051), (2667, 7327), (3017, 6477)]