19780026

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3541}}^1$

素因数の和:3579

約数の個数: 48

約数和(自身を含む): 48454560

約数和(自身を除く): 28674534

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3541, 5586, 7082, 10623, 21246, 24787, 49574, 67279, 74361, 134558, 148722, 173509, 201837, 347018, 403674, 470953, 520527, 941906, 1041054, 1412859, 2825718, 3296671, 6593342, 9890013, 19780026]

約数ペア:

[(1, 19780026), (2, 9890013), (3, 6593342), (6, 3296671), (7, 2825718), (14, 1412859), (19, 1041054), (21, 941906), (38, 520527), (42, 470953), (49, 403674), (57, 347018), (98, 201837), (114, 173509), (133, 148722), (147, 134558), (266, 74361), (294, 67279), (399, 49574), (798, 24787), (931, 21246), (1862, 10623), (2793, 7082), (3541, 5586)]