19097745

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 31629312

約数和(自身を除く): 12531567

約数列:

[1, 3, 5, 15, 47, 103, 141, 235, 263, 309, 515, 705, 789, 1315, 1545, 3945, 4841, 12361, 14523, 24205, 27089, 37083, 61805, 72615, 81267, 135445, 185415, 406335, 1273183, 3819549, 6365915, 19097745]

約数ペア:

[(1, 19097745), (3, 6365915), (5, 3819549), (15, 1273183), (47, 406335), (103, 185415), (141, 135445), (235, 81267), (263, 72615), (309, 61805), (515, 37083), (705, 27089), (789, 24205), (1315, 14523), (1545, 12361), (3945, 4841)]