19402215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{719}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 16263705

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 257, 719, 771, 1285, 1799, 2157, 3595, 3855, 5033, 5397, 8995, 10785, 15099, 25165, 26985, 75495, 184783, 554349, 923915, 1293481, 2771745, 3880443, 6467405, 19402215]

約数ペア:

[(1, 19402215), (3, 6467405), (5, 3880443), (7, 2771745), (15, 1293481), (21, 923915), (35, 554349), (105, 184783), (257, 75495), (719, 26985), (771, 25165), (1285, 15099), (1799, 10785), (2157, 8995), (3595, 5397), (3855, 5033)]