19047987

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1039}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 32614400

約数和(自身を除く): 13566413

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 1039, 2037, 2619, 3117, 6111, 7273, 9351, 18333, 21819, 28053, 65457, 100783, 196371, 302349, 705481, 907047, 2116443, 2721141, 6349329, 19047987]

約数ペア:

[(1, 19047987), (3, 6349329), (7, 2721141), (9, 2116443), (21, 907047), (27, 705481), (63, 302349), (97, 196371), (189, 100783), (291, 65457), (679, 28053), (873, 21819), (1039, 18333), (2037, 9351), (2619, 7273), (3117, 6111)]