19696140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109423}}^1$

素因数の和:109438

約数の個数: 36

約数和(自身を含む): 59745504

約数和(自身を除く): 40049364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109423, 218846, 328269, 437692, 547115, 656538, 984807, 1094230, 1313076, 1641345, 1969614, 2188460, 3282690, 3939228, 4924035, 6565380, 9848070, 19696140]

約数ペア:

[(1, 19696140), (2, 9848070), (3, 6565380), (4, 4924035), (5, 3939228), (6, 3282690), (9, 2188460), (10, 1969614), (12, 1641345), (15, 1313076), (18, 1094230), (20, 984807), (30, 656538), (36, 547115), (45, 437692), (60, 328269), (90, 218846), (180, 109423)]