19859055

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 13525905

約数列:

[1, 3, 5, 15, 29, 71, 87, 145, 213, 355, 435, 643, 1065, 1929, 2059, 3215, 6177, 9645, 10295, 18647, 30885, 45653, 55941, 93235, 136959, 228265, 279705, 684795, 1323937, 3971811, 6619685, 19859055]

約数ペア:

[(1, 19859055), (3, 6619685), (5, 3971811), (15, 1323937), (29, 684795), (71, 279705), (87, 228265), (145, 136959), (213, 93235), (355, 55941), (435, 45653), (643, 30885), (1065, 18647), (1929, 10295), (2059, 9645), (3215, 6177)]