18539264

素因数分解:

$2^8\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:676

約数の個数: 36

約数和(自身を含む): 37343880

約数和(自身を除く): 18804616

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 521, 556, 1042, 1112, 2084, 2224, 4168, 4448, 8336, 8896, 16672, 17792, 33344, 35584, 66688, 72419, 133376, 144838, 289676, 579352, 1158704, 2317408, 4634816, 9269632, 18539264]

約数ペア:

[(1, 18539264), (2, 9269632), (4, 4634816), (8, 2317408), (16, 1158704), (32, 579352), (64, 289676), (128, 144838), (139, 133376), (256, 72419), (278, 66688), (521, 35584), (556, 33344), (1042, 17792), (1112, 16672), (2084, 8896), (2224, 8336), (4168, 4448)]