19186827

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 10673013

約数列:

[1, 3, 11, 19, 33, 57, 71, 209, 213, 431, 627, 781, 1293, 1349, 2343, 4047, 4741, 8189, 14223, 14839, 24567, 30601, 44517, 90079, 91803, 270237, 336611, 581419, 1009833, 1744257, 6395609, 19186827]

約数ペア:

[(1, 19186827), (3, 6395609), (11, 1744257), (19, 1009833), (33, 581419), (57, 336611), (71, 270237), (209, 91803), (213, 90079), (431, 44517), (627, 30601), (781, 24567), (1293, 14839), (1349, 14223), (2343, 8189), (4047, 4741)]