19664461

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 21636720

約数和(自身を除く): 1972259

約数列:

[1, 17, 41, 89, 317, 697, 1513, 3649, 5389, 12997, 28213, 62033, 220949, 479621, 1156733, 19664461]

約数ペア:

[(1, 19664461), (17, 1156733), (41, 479621), (89, 220949), (317, 62033), (697, 28213), (1513, 12997), (3649, 5389)]