19693564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 19497476

約数列:

[1, 2, 4, 11, 22, 44, 47, 89, 94, 107, 178, 188, 214, 356, 428, 517, 979, 1034, 1177, 1958, 2068, 2354, 3916, 4183, 4708, 5029, 8366, 9523, 10058, 16732, 19046, 20116, 38092, 46013, 55319, 92026, 104753, 110638, 184052, 209506, 221276, 419012, 447581, 895162, 1790324, 4923391, 9846782, 19693564]

約数ペア:

[(1, 19693564), (2, 9846782), (4, 4923391), (11, 1790324), (22, 895162), (44, 447581), (47, 419012), (89, 221276), (94, 209506), (107, 184052), (178, 110638), (188, 104753), (214, 92026), (356, 55319), (428, 46013), (517, 38092), (979, 20116), (1034, 19046), (1177, 16732), (1958, 10058), (2068, 9523), (2354, 8366), (3916, 5029), (4183, 4708)]