19342557

素因数分解:

$3^6\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:201

約数の個数: 42

約数和(自身を含む): 31603002

約数和(自身を除く): 12260445

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 157, 169, 243, 351, 471, 507, 729, 1053, 1413, 1521, 2041, 3159, 4239, 4563, 6123, 9477, 12717, 13689, 18369, 26533, 38151, 41067, 55107, 79599, 114453, 123201, 165321, 238797, 495963, 716391, 1487889, 2149173, 6447519, 19342557]

約数ペア:

[(1, 19342557), (3, 6447519), (9, 2149173), (13, 1487889), (27, 716391), (39, 495963), (81, 238797), (117, 165321), (157, 123201), (169, 114453), (243, 79599), (351, 55107), (471, 41067), (507, 38151), (729, 26533), (1053, 18369), (1413, 13689), (1521, 12717), (2041, 9477), (3159, 6123), (4239, 4563)]