19230172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28447}}^1$

素因数の和:28477

約数の個数: 18

約数和(自身を含む): 36441888

約数和(自身を除く): 17211716

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28447, 56894, 113788, 369811, 739622, 1479244, 4807543, 9615086, 19230172]

約数ペア:

[(1, 19230172), (2, 9615086), (4, 4807543), (13, 1479244), (26, 739622), (52, 369811), (169, 113788), (338, 56894), (676, 28447)]