19792815

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{3847}}^1$

素因数の和:3876

約数の個数: 32

約数和(自身を含む): 36940800

約数和(自身を除く): 17147985

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 3847, 5145, 11541, 19235, 26929, 57705, 80787, 134645, 188503, 403935, 565509, 942515, 1319521, 2827545, 3958563, 6597605, 19792815]

約数ペア:

[(1, 19792815), (3, 6597605), (5, 3958563), (7, 2827545), (15, 1319521), (21, 942515), (35, 565509), (49, 403935), (105, 188503), (147, 134645), (245, 80787), (343, 57705), (735, 26929), (1029, 19235), (1715, 11541), (3847, 5145)]