19706463

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 33669120

約数和(自身を除く): 13962657

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 821, 889, 1143, 2463, 2667, 3429, 5747, 7389, 8001, 17241, 22167, 24003, 51723, 104267, 155169, 312801, 729869, 938403, 2189607, 2815209, 6568821, 19706463]

約数ペア:

[(1, 19706463), (3, 6568821), (7, 2815209), (9, 2189607), (21, 938403), (27, 729869), (63, 312801), (127, 155169), (189, 104267), (381, 51723), (821, 24003), (889, 22167), (1143, 17241), (2463, 8001), (2667, 7389), (3429, 5747)]