19403427

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 28672000

約数和(自身を除く): 9268573

約数列:

[1, 3, 19, 31, 57, 79, 93, 139, 237, 417, 589, 1501, 1767, 2449, 2641, 4309, 4503, 7347, 7923, 10981, 12927, 32943, 46531, 81871, 139593, 208639, 245613, 340411, 625917, 1021233, 6467809, 19403427]

約数ペア:

[(1, 19403427), (3, 6467809), (19, 1021233), (31, 625917), (57, 340411), (79, 245613), (93, 208639), (139, 139593), (237, 81871), (417, 46531), (589, 32943), (1501, 12927), (1767, 10981), (2449, 7923), (2641, 7347), (4309, 4503)]