19108180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10499}}^1$

素因数の和:10528

約数の個数: 48

約数和(自身を含む): 49392000

約数和(自身を除く): 30283820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10499, 20998, 41996, 52495, 73493, 104990, 136487, 146986, 209980, 272974, 293972, 367465, 545948, 682435, 734930, 955409, 1364870, 1469860, 1910818, 2729740, 3821636, 4777045, 9554090, 19108180]

約数ペア:

[(1, 19108180), (2, 9554090), (4, 4777045), (5, 3821636), (7, 2729740), (10, 1910818), (13, 1469860), (14, 1364870), (20, 955409), (26, 734930), (28, 682435), (35, 545948), (52, 367465), (65, 293972), (70, 272974), (91, 209980), (130, 146986), (140, 136487), (182, 104990), (260, 73493), (364, 52495), (455, 41996), (910, 20998), (1820, 10499)]