19851454

素因数分解:

$2^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{2621}}^1$

素因数の和:3171

約数の個数: 16

約数和(自身を含む): 34106976

約数和(自身を除く): 14255522

約数列:

[1, 2, 7, 14, 541, 1082, 2621, 3787, 5242, 7574, 18347, 36694, 1417961, 2835922, 9925727, 19851454]

約数ペア:

[(1, 19851454), (2, 9925727), (7, 2835922), (14, 1417961), (541, 36694), (1082, 18347), (2621, 7574), (3787, 5242)]