19201622930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{427939}}^1$

素因数の和:428594

約数の個数: 32

約数和(自身を含む): 39562197120

約数和(自身を除く): 20360574190

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 641, 1282, 3205, 4487, 6410, 8974, 22435, 44870, 427939, 855878, 2139695, 2995573, 4279390, 5991146, 14977865, 29955730, 274308899, 548617798, 1371544495, 1920162293, 2743088990, 3840324586, 9600811465, 19201622930]

約数ペア:

[(1, 19201622930), (2, 9600811465), (5, 3840324586), (7, 2743088990), (10, 1920162293), (14, 1371544495), (35, 548617798), (70, 274308899), (641, 29955730), (1282, 14977865), (3205, 5991146), (4487, 4279390), (6410, 2995573), (8974, 2139695), (22435, 855878), (44870, 427939)]