19847457

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5527}}^1$

素因数の和:5562

約数の個数: 32

約数和(自身を含む): 35379200

約数和(自身を除く): 15531743

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5527, 16581, 38689, 49743, 105013, 116067, 149229, 315039, 348201, 735091, 945117, 1044603, 2205273, 2835351, 6615819, 19847457]

約数ペア:

[(1, 19847457), (3, 6615819), (7, 2835351), (9, 2205273), (19, 1044603), (21, 945117), (27, 735091), (57, 348201), (63, 315039), (133, 149229), (171, 116067), (189, 105013), (399, 49743), (513, 38689), (1197, 16581), (3591, 5527)]