19442460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1291}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 54698112

約数和(自身を除く): 35255652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1291, 1506, 2510, 2582, 3012, 3765, 3873, 5020, 5164, 6455, 7530, 7746, 12910, 15060, 15492, 19365, 25820, 38730, 77460, 324041, 648082, 972123, 1296164, 1620205, 1944246, 3240410, 3888492, 4860615, 6480820, 9721230, 19442460]

約数ペア:

[(1, 19442460), (2, 9721230), (3, 6480820), (4, 4860615), (5, 3888492), (6, 3240410), (10, 1944246), (12, 1620205), (15, 1296164), (20, 972123), (30, 648082), (60, 324041), (251, 77460), (502, 38730), (753, 25820), (1004, 19365), (1255, 15492), (1291, 15060), (1506, 12910), (2510, 7746), (2582, 7530), (3012, 6455), (3765, 5164), (3873, 5020)]