19077387

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 30912000

約数和(自身を除く): 11834613

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 349, 399, 411, 959, 1047, 2443, 2603, 2877, 6631, 7329, 7809, 18221, 19893, 46417, 47813, 54663, 139251, 143439, 334691, 908447, 1004073, 2725341, 6359129, 19077387]

約数ペア:

[(1, 19077387), (3, 6359129), (7, 2725341), (19, 1004073), (21, 908447), (57, 334691), (133, 143439), (137, 139251), (349, 54663), (399, 47813), (411, 46417), (959, 19893), (1047, 18221), (2443, 7809), (2603, 7329), (2877, 6631)]