19901370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1439}}^1$

素因数の和:1910

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 27998790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 461, 922, 1383, 1439, 2305, 2766, 2878, 4317, 4610, 6915, 7195, 8634, 13830, 14390, 21585, 43170, 663379, 1326758, 1990137, 3316895, 3980274, 6633790, 9950685, 19901370]

約数ペア:

[(1, 19901370), (2, 9950685), (3, 6633790), (5, 3980274), (6, 3316895), (10, 1990137), (15, 1326758), (30, 663379), (461, 43170), (922, 21585), (1383, 14390), (1439, 13830), (2305, 8634), (2766, 7195), (2878, 6915), (4317, 4610)]