18809420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134353}}^1$

素因数の和:134369

約数の個数: 24

約数和(自身を含む): 45142944

約数和(自身を除く): 26333524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134353, 268706, 537412, 671765, 940471, 1343530, 1880942, 2687060, 3761884, 4702355, 9404710, 18809420]

約数ペア:

[(1, 18809420), (2, 9404710), (4, 4702355), (5, 3761884), (7, 2687060), (10, 1880942), (14, 1343530), (20, 940471), (28, 671765), (35, 537412), (70, 268706), (140, 134353)]