19911130

素因数分解:

$2^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{3313}}^1$

素因数の和:3921

約数の個数: 16

約数和(自身を含む): 35910504

約数和(自身を除く): 15999374

約数列:

[1, 2, 5, 10, 601, 1202, 3005, 3313, 6010, 6626, 16565, 33130, 1991113, 3982226, 9955565, 19911130]

約数ペア:

[(1, 19911130), (2, 9955565), (5, 3982226), (10, 1991113), (601, 33130), (1202, 16565), (3005, 6626), (3313, 6010)]