19416165

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 32199552

約数和(自身を除く): 12783387

約数列:

[1, 3, 5, 15, 41, 123, 131, 205, 241, 393, 615, 655, 723, 1205, 1965, 3615, 5371, 9881, 16113, 26855, 29643, 31571, 49405, 80565, 94713, 148215, 157855, 473565, 1294411, 3883233, 6472055, 19416165]

約数ペア:

[(1, 19416165), (3, 6472055), (5, 3883233), (15, 1294411), (41, 473565), (123, 157855), (131, 148215), (205, 94713), (241, 80565), (393, 49405), (615, 31571), (655, 29643), (723, 26855), (1205, 16113), (1965, 9881), (3615, 5371)]