19230025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 24857784

約数和(自身を除く): 5627759

約数列:

[1, 5, 25, 41, 73, 205, 257, 365, 1025, 1285, 1825, 2993, 6425, 10537, 14965, 18761, 52685, 74825, 93805, 263425, 469025, 769201, 3846005, 19230025]

約数ペア:

[(1, 19230025), (5, 3846005), (25, 769201), (41, 469025), (73, 263425), (205, 93805), (257, 74825), (365, 52685), (1025, 18761), (1285, 14965), (1825, 10537), (2993, 6425)]