19377771

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 31242240

約数和(自身を除く): 11864469

約数列:

[1, 3, 7, 21, 29, 47, 87, 141, 203, 329, 609, 677, 987, 1363, 2031, 4089, 4739, 9541, 14217, 19633, 28623, 31819, 58899, 95457, 137431, 222733, 412293, 668199, 922751, 2768253, 6459257, 19377771]

約数ペア:

[(1, 19377771), (3, 6459257), (7, 2768253), (21, 922751), (29, 668199), (47, 412293), (87, 222733), (141, 137431), (203, 95457), (329, 58899), (609, 31819), (677, 28623), (987, 19633), (1363, 14217), (2031, 9541), (4089, 4739)]