19745390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{907}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 40794624

約数和(自身を除く): 21049234

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 311, 622, 907, 1555, 1814, 2177, 3110, 4354, 4535, 6349, 9070, 10885, 12698, 21770, 31745, 63490, 282077, 564154, 1410385, 1974539, 2820770, 3949078, 9872695, 19745390]

約数ペア:

[(1, 19745390), (2, 9872695), (5, 3949078), (7, 2820770), (10, 1974539), (14, 1410385), (35, 564154), (70, 282077), (311, 63490), (622, 31745), (907, 21770), (1555, 12698), (1814, 10885), (2177, 9070), (3110, 6349), (4354, 4535)]