19780532

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1171}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 35835072

約数和(自身を除く): 16054540

約数列:

[1, 2, 4, 41, 82, 103, 164, 206, 412, 1171, 2342, 4223, 4684, 8446, 16892, 48011, 96022, 120613, 192044, 241226, 482452, 4945133, 9890266, 19780532]

約数ペア:

[(1, 19780532), (2, 9890266), (4, 4945133), (41, 482452), (82, 241226), (103, 192044), (164, 120613), (206, 96022), (412, 48011), (1171, 16892), (2342, 8446), (4223, 4684)]