16781190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1409}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 40404960

約数和(自身を除く): 23623770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1409, 1985, 2382, 2818, 3970, 4227, 5955, 7045, 8454, 11910, 14090, 21135, 42270, 559373, 1118746, 1678119, 2796865, 3356238, 5593730, 8390595, 16781190]

約数ペア:

[(1, 16781190), (2, 8390595), (3, 5593730), (5, 3356238), (6, 2796865), (10, 1678119), (15, 1118746), (30, 559373), (397, 42270), (794, 21135), (1191, 14090), (1409, 11910), (1985, 8454), (2382, 7045), (2818, 5955), (3970, 4227)]