19798492

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 22198820

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 71, 92, 142, 161, 284, 322, 433, 497, 644, 866, 994, 1633, 1732, 1988, 3031, 3266, 6062, 6532, 9959, 11431, 12124, 19918, 22862, 30743, 39836, 45724, 61486, 69713, 122972, 139426, 215201, 278852, 430402, 707089, 860804, 1414178, 2828356, 4949623, 9899246, 19798492]

約数ペア:

[(1, 19798492), (2, 9899246), (4, 4949623), (7, 2828356), (14, 1414178), (23, 860804), (28, 707089), (46, 430402), (71, 278852), (92, 215201), (142, 139426), (161, 122972), (284, 69713), (322, 61486), (433, 45724), (497, 39836), (644, 30743), (866, 22862), (994, 19918), (1633, 12124), (1732, 11431), (1988, 9959), (3031, 6532), (3266, 6062)]