19186401

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 28788480

約数和(自身を除く): 9602079

約数列:

[1, 3, 13, 39, 41, 71, 123, 169, 213, 507, 533, 923, 1599, 2197, 2769, 2911, 6591, 6929, 8733, 11999, 20787, 35997, 37843, 90077, 113529, 155987, 270231, 467961, 491959, 1475877, 6395467, 19186401]

約数ペア:

[(1, 19186401), (3, 6395467), (13, 1475877), (39, 491959), (41, 467961), (71, 270231), (123, 155987), (169, 113529), (213, 90077), (507, 37843), (533, 35997), (923, 20787), (1599, 11999), (2197, 8733), (2769, 6929), (2911, 6591)]