19902772

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 35721000

約数和(自身を除く): 15818228

約数列:

[1, 2, 4, 53, 106, 212, 269, 349, 538, 698, 1076, 1396, 14257, 18497, 28514, 36994, 57028, 73988, 93881, 187762, 375524, 4975693, 9951386, 19902772]

約数ペア:

[(1, 19902772), (2, 9951386), (4, 4975693), (53, 375524), (106, 187762), (212, 93881), (269, 73988), (349, 57028), (538, 36994), (698, 28514), (1076, 18497), (1396, 14257)]