19699876

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10501}}^1$

素因数の和:10579

約数の個数: 24

約数和(自身を含む): 39991616

約数和(自身を除く): 20291740

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10501, 21002, 42004, 73507, 147014, 294028, 703567, 1407134, 2814268, 4924969, 9849938, 19699876]

約数ペア:

[(1, 19699876), (2, 9849938), (4, 4924969), (7, 2814268), (14, 1407134), (28, 703567), (67, 294028), (134, 147014), (268, 73507), (469, 42004), (938, 21002), (1876, 10501)]