19928403

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3947}}^1$

素因数の和:3984

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 14182317

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 3947, 5049, 11841, 35523, 43417, 67099, 106569, 130251, 201297, 390753, 603891, 738089, 1172259, 1811673, 2214267, 6642801, 19928403]

約数ペア:

[(1, 19928403), (3, 6642801), (9, 2214267), (11, 1811673), (17, 1172259), (27, 738089), (33, 603891), (51, 390753), (99, 201297), (153, 130251), (187, 106569), (297, 67099), (459, 43417), (561, 35523), (1683, 11841), (3947, 5049)]