18856995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1013}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 32415552

約数和(自身を除く): 13558557

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1013, 1095, 1241, 3039, 3723, 5065, 6205, 15195, 17221, 18615, 51663, 73949, 86105, 221847, 258315, 369745, 1109235, 1257133, 3771399, 6285665, 18856995]

約数ペア:

[(1, 18856995), (3, 6285665), (5, 3771399), (15, 1257133), (17, 1109235), (51, 369745), (73, 258315), (85, 221847), (219, 86105), (255, 73949), (365, 51663), (1013, 18615), (1095, 17221), (1241, 15195), (3039, 6205), (3723, 5065)]