19396755

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 38787840

約数和(自身を除く): 19391085

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 139, 315, 417, 443, 695, 973, 1251, 1329, 2085, 2215, 2919, 3101, 3987, 4865, 6255, 6645, 8757, 9303, 14595, 15505, 19935, 27909, 43785, 46515, 61577, 139545, 184731, 307885, 431039, 554193, 923655, 1293117, 2155195, 2770965, 3879351, 6465585, 19396755]

約数ペア:

[(1, 19396755), (3, 6465585), (5, 3879351), (7, 2770965), (9, 2155195), (15, 1293117), (21, 923655), (35, 554193), (45, 431039), (63, 307885), (105, 184731), (139, 139545), (315, 61577), (417, 46515), (443, 43785), (695, 27909), (973, 19935), (1251, 15505), (1329, 14595), (2085, 9303), (2215, 8757), (2919, 6645), (3101, 6255), (3987, 4865)]