19668360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{653}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 59330880

約数和(自身を除く): 39662520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 653, 753, 1004, 1255, 1306, 1506, 1959, 2008, 2510, 2612, 3012, 3265, 3765, 3918, 5020, 5224, 6024, 6530, 7530, 7836, 9795, 10040, 13060, 15060, 15672, 19590, 26120, 30120, 39180, 78360, 163903, 327806, 491709, 655612, 819515, 983418, 1311224, 1639030, 1966836, 2458545, 3278060, 3933672, 4917090, 6556120, 9834180, 19668360]

約数ペア:

[(1, 19668360), (2, 9834180), (3, 6556120), (4, 4917090), (5, 3933672), (6, 3278060), (8, 2458545), (10, 1966836), (12, 1639030), (15, 1311224), (20, 983418), (24, 819515), (30, 655612), (40, 491709), (60, 327806), (120, 163903), (251, 78360), (502, 39180), (653, 30120), (753, 26120), (1004, 19590), (1255, 15672), (1306, 15060), (1506, 13060), (1959, 10040), (2008, 9795), (2510, 7836), (2612, 7530), (3012, 6530), (3265, 6024), (3765, 5224), (3918, 5020)]