18915752

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{461}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 18339928

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 223, 446, 461, 892, 922, 1784, 1844, 3688, 5129, 10258, 10603, 20516, 21206, 41032, 42412, 84824, 102803, 205606, 411212, 822424, 2364469, 4728938, 9457876, 18915752]

約数ペア:

[(1, 18915752), (2, 9457876), (4, 4728938), (8, 2364469), (23, 822424), (46, 411212), (92, 205606), (184, 102803), (223, 84824), (446, 42412), (461, 41032), (892, 21206), (922, 20516), (1784, 10603), (1844, 10258), (3688, 5129)]