19676685

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 38577600

約数和(自身を除く): 18900915

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1409, 1995, 2793, 4227, 4655, 7045, 9863, 13965, 21135, 26771, 29589, 49315, 69041, 80313, 133855, 147945, 187397, 207123, 345205, 401565, 562191, 936985, 1035615, 1311779, 2810955, 3935337, 6558895, 19676685]

約数ペア:

[(1, 19676685), (3, 6558895), (5, 3935337), (7, 2810955), (15, 1311779), (19, 1035615), (21, 936985), (35, 562191), (49, 401565), (57, 345205), (95, 207123), (105, 187397), (133, 147945), (147, 133855), (245, 80313), (285, 69041), (399, 49315), (665, 29589), (735, 26771), (931, 21135), (1409, 13965), (1995, 9863), (2793, 7045), (4227, 4655)]