19885383

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{719}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 32947200

約数和(自身を除く): 13061817

約数列:

[1, 3, 7, 9, 21, 63, 439, 719, 1317, 2157, 3073, 3951, 5033, 6471, 9219, 15099, 27657, 45297, 315641, 946923, 2209487, 2840769, 6628461, 19885383]

約数ペア:

[(1, 19885383), (3, 6628461), (7, 2840769), (9, 2209487), (21, 946923), (63, 315641), (439, 45297), (719, 27657), (1317, 15099), (2157, 9219), (3073, 6471), (3951, 5033)]