19482988

素因数分解:

$2^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{929}}^1$

素因数の和:1054

約数の個数: 36

約数和(自身を含む): 40075560

約数和(自身を除く): 20592572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 107, 196, 214, 428, 749, 929, 1498, 1858, 2996, 3716, 5243, 6503, 10486, 13006, 20972, 26012, 45521, 91042, 99403, 182084, 198806, 397612, 695821, 1391642, 2783284, 4870747, 9741494, 19482988]

約数ペア:

[(1, 19482988), (2, 9741494), (4, 4870747), (7, 2783284), (14, 1391642), (28, 695821), (49, 397612), (98, 198806), (107, 182084), (196, 99403), (214, 91042), (428, 45521), (749, 26012), (929, 20972), (1498, 13006), (1858, 10486), (2996, 6503), (3716, 5243)]