19994490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{222161}}^1$

素因数の和:222174

約数の個数: 24

約数和(自身を含む): 51985908

約数和(自身を除く): 31991418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 222161, 444322, 666483, 1110805, 1332966, 1999449, 2221610, 3332415, 3998898, 6664830, 9997245, 19994490]

約数ペア:

[(1, 19994490), (2, 9997245), (3, 6664830), (5, 3998898), (6, 3332415), (9, 2221610), (10, 1999449), (15, 1332966), (18, 1110805), (30, 666483), (45, 444322), (90, 222161)]