19998448936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4244153}}^1$

素因数の和:4244209

約数の個数: 32

約数和(自身を含む): 40743878400

約数和(自身を除く): 20745429464

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4712, 4244153, 8488306, 16976612, 33953224, 80638907, 131568743, 161277814, 263137486, 322555628, 526274972, 645111256, 1052549944, 2499806117, 4999612234, 9999224468, 19998448936]

約数ペア:

[(1, 19998448936), (2, 9999224468), (4, 4999612234), (8, 2499806117), (19, 1052549944), (31, 645111256), (38, 526274972), (62, 322555628), (76, 263137486), (124, 161277814), (152, 131568743), (248, 80638907), (589, 33953224), (1178, 16976612), (2356, 8488306), (4712, 4244153)]