19397313

素因数分解:

$3^4\times {\mathrm{13}}^3\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 40

約数和(自身を含む): 31677800

約数和(自身を除く): 12280487

約数列:

[1, 3, 9, 13, 27, 39, 81, 109, 117, 169, 327, 351, 507, 981, 1053, 1417, 1521, 2197, 2943, 4251, 4563, 6591, 8829, 12753, 13689, 18421, 19773, 38259, 55263, 59319, 114777, 165789, 177957, 239473, 497367, 718419, 1492101, 2155257, 6465771, 19397313]

約数ペア:

[(1, 19397313), (3, 6465771), (9, 2155257), (13, 1492101), (27, 718419), (39, 497367), (81, 239473), (109, 177957), (117, 165789), (169, 114777), (327, 59319), (351, 55263), (507, 38259), (981, 19773), (1053, 18421), (1417, 13689), (1521, 12753), (2197, 8829), (2943, 6591), (4251, 4563)]