187813868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{10973}}^1$

素因数の和:11377

約数の個数: 24

約数和(自身を含む): 359508240

約数和(自身を除く): 171694372

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1556, 4279, 8558, 10973, 17116, 21946, 43892, 120703, 241406, 482812, 4268497, 8536994, 17073988, 46953467, 93906934, 187813868]

約数ペア:

[(1, 187813868), (2, 93906934), (4, 46953467), (11, 17073988), (22, 8536994), (44, 4268497), (389, 482812), (778, 241406), (1556, 120703), (4279, 43892), (8558, 21946), (10973, 17116)]