19070955

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 34504704

約数和(自身を除く): 15433749

約数列:

[1, 3, 5, 9, 15, 45, 47, 71, 127, 141, 213, 235, 355, 381, 423, 635, 639, 705, 1065, 1143, 1905, 2115, 3195, 3337, 5715, 5969, 9017, 10011, 16685, 17907, 27051, 29845, 30033, 45085, 50055, 53721, 81153, 89535, 135255, 150165, 268605, 405765, 423799, 1271397, 2118995, 3814191, 6356985, 19070955]

約数ペア:

[(1, 19070955), (3, 6356985), (5, 3814191), (9, 2118995), (15, 1271397), (45, 423799), (47, 405765), (71, 268605), (127, 150165), (141, 135255), (213, 89535), (235, 81153), (355, 53721), (381, 50055), (423, 45085), (635, 30033), (639, 29845), (705, 27051), (1065, 17907), (1143, 16685), (1905, 10011), (2115, 9017), (3195, 5969), (3337, 5715)]