19528479

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 10469601

約数列:

[1, 3, 9, 27, 61, 71, 167, 183, 213, 501, 549, 639, 1503, 1647, 1917, 4331, 4509, 10187, 11857, 12993, 30561, 35571, 38979, 91683, 106713, 116937, 275049, 320139, 723277, 2169831, 6509493, 19528479]

約数ペア:

[(1, 19528479), (3, 6509493), (9, 2169831), (27, 723277), (61, 320139), (71, 275049), (167, 116937), (183, 106713), (213, 91683), (501, 38979), (549, 35571), (639, 30561), (1503, 12993), (1647, 11857), (1917, 10187), (4331, 4509)]