19134220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1409}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 46428480

約数和(自身を除く): 27294260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1409, 1940, 2716, 2818, 3395, 5636, 6790, 7045, 9863, 13580, 14090, 19726, 28180, 39452, 49315, 98630, 136673, 197260, 273346, 546692, 683365, 956711, 1366730, 1913422, 2733460, 3826844, 4783555, 9567110, 19134220]

約数ペア:

[(1, 19134220), (2, 9567110), (4, 4783555), (5, 3826844), (7, 2733460), (10, 1913422), (14, 1366730), (20, 956711), (28, 683365), (35, 546692), (70, 273346), (97, 197260), (140, 136673), (194, 98630), (388, 49315), (485, 39452), (679, 28180), (970, 19726), (1358, 14090), (1409, 13580), (1940, 9863), (2716, 7045), (2818, 6790), (3395, 5636)]