19198113

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 29898240

約数和(自身を除く): 10700127

約数列:

[1, 3, 11, 19, 33, 57, 67, 201, 209, 457, 627, 737, 1273, 1371, 2211, 3819, 5027, 8683, 14003, 15081, 26049, 30619, 42009, 91857, 95513, 286539, 336809, 581761, 1010427, 1745283, 6399371, 19198113]

約数ペア:

[(1, 19198113), (3, 6399371), (11, 1745283), (19, 1010427), (33, 581761), (57, 336809), (67, 286539), (201, 95513), (209, 91857), (457, 42009), (627, 30619), (737, 26049), (1273, 15081), (1371, 14003), (2211, 8683), (3819, 5027)]