18763394

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1362

約数の個数: 24

約数和(自身を含む): 31209552

約数和(自身を除く): 12446158

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 1291, 2582, 7267, 14534, 16783, 33566, 55513, 111026, 218179, 436358, 721669, 1443338, 9381697, 18763394]

約数ペア:

[(1, 18763394), (2, 9381697), (13, 1443338), (26, 721669), (43, 436358), (86, 218179), (169, 111026), (338, 55513), (559, 33566), (1118, 16783), (1291, 14534), (2582, 7267)]