19949786

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6473}}^1$

素因数の和:6565

約数の個数: 16

約数和(自身を含む): 31696704

約数和(自身を除く): 11746918

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 6473, 12946, 148879, 297758, 433691, 867382, 9974893, 19949786]

約数ペア:

[(1, 19949786), (2, 9974893), (23, 867382), (46, 433691), (67, 297758), (134, 148879), (1541, 12946), (3082, 6473)]