19744795

素因数分解:

$5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 28656000

約数和(自身を除く): 8911205

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 343, 397, 1015, 1421, 1715, 1985, 2779, 7105, 9947, 11513, 13895, 19453, 49735, 57565, 80591, 97265, 136171, 402955, 564137, 680855, 2820685, 3948959, 19744795]

約数ペア:

[(1, 19744795), (5, 3948959), (7, 2820685), (29, 680855), (35, 564137), (49, 402955), (145, 136171), (203, 97265), (245, 80591), (343, 57565), (397, 49735), (1015, 19453), (1421, 13895), (1715, 11513), (1985, 9947), (2779, 7105)]