19315653

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 32503680

約数和(自身を除く): 13188027

約数列:

[1, 3, 7, 21, 23, 29, 49, 69, 87, 147, 161, 197, 203, 483, 591, 609, 667, 1127, 1379, 1421, 2001, 3381, 4137, 4263, 4531, 4669, 5713, 9653, 13593, 14007, 17139, 28959, 31717, 32683, 39991, 95151, 98049, 119973, 131399, 222019, 279937, 394197, 666057, 839811, 919793, 2759379, 6438551, 19315653]

約数ペア:

[(1, 19315653), (3, 6438551), (7, 2759379), (21, 919793), (23, 839811), (29, 666057), (49, 394197), (69, 279937), (87, 222019), (147, 131399), (161, 119973), (197, 98049), (203, 95151), (483, 39991), (591, 32683), (609, 31717), (667, 28959), (1127, 17139), (1379, 14007), (1421, 13593), (2001, 9653), (3381, 5713), (4137, 4669), (4263, 4531)]