19215014

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 35997696

約数和(自身を除く): 16782682

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1487, 1846, 2974, 6461, 10409, 12922, 19331, 20818, 38662, 105577, 135317, 211154, 270634, 739039, 1372501, 1478078, 2745002, 9607507, 19215014]

約数ペア:

[(1, 19215014), (2, 9607507), (7, 2745002), (13, 1478078), (14, 1372501), (26, 739039), (71, 270634), (91, 211154), (142, 135317), (182, 105577), (497, 38662), (923, 20818), (994, 19331), (1487, 12922), (1846, 10409), (2974, 6461)]