19395555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3307}}^1$

素因数の和:3355

約数の個数: 32

約数和(自身を含む): 34297344

約数和(自身を除く): 14901789

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 3307, 5865, 9921, 16535, 49605, 56219, 76061, 168657, 228183, 281095, 380305, 843285, 1140915, 1293037, 3879111, 6465185, 19395555]

約数ペア:

[(1, 19395555), (3, 6465185), (5, 3879111), (15, 1293037), (17, 1140915), (23, 843285), (51, 380305), (69, 281095), (85, 228183), (115, 168657), (255, 76061), (345, 56219), (391, 49605), (1173, 16535), (1955, 9921), (3307, 5865)]