19607140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3257}}^1$

素因数の和:3316

約数の個数: 48

約数和(自身を含む): 48166272

約数和(自身を除く): 28559132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 3257, 6020, 6514, 13028, 16285, 22799, 32570, 45598, 65140, 91196, 113995, 140051, 227990, 280102, 455980, 560204, 700255, 980357, 1400510, 1960714, 2801020, 3921428, 4901785, 9803570, 19607140]

約数ペア:

[(1, 19607140), (2, 9803570), (4, 4901785), (5, 3921428), (7, 2801020), (10, 1960714), (14, 1400510), (20, 980357), (28, 700255), (35, 560204), (43, 455980), (70, 280102), (86, 227990), (140, 140051), (172, 113995), (215, 91196), (301, 65140), (430, 45598), (602, 32570), (860, 22799), (1204, 16285), (1505, 13028), (3010, 6514), (3257, 6020)]