19474490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{278207}}^1$

素因数の和:278221

約数の個数: 16

約数和(自身を含む): 40061952

約数和(自身を除く): 20587462

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 278207, 556414, 1391035, 1947449, 2782070, 3894898, 9737245, 19474490]

約数ペア:

[(1, 19474490), (2, 9737245), (5, 3894898), (7, 2782070), (10, 1947449), (14, 1391035), (35, 556414), (70, 278207)]