19879024

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{631}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 42318720

約数和(自身を除く): 22439696

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 179, 358, 631, 716, 1262, 1432, 1969, 2524, 2864, 3938, 5048, 6941, 7876, 10096, 13882, 15752, 27764, 31504, 55528, 111056, 112949, 225898, 451796, 903592, 1242439, 1807184, 2484878, 4969756, 9939512, 19879024]

約数ペア:

[(1, 19879024), (2, 9939512), (4, 4969756), (8, 2484878), (11, 1807184), (16, 1242439), (22, 903592), (44, 451796), (88, 225898), (176, 112949), (179, 111056), (358, 55528), (631, 31504), (716, 27764), (1262, 15752), (1432, 13882), (1969, 10096), (2524, 7876), (2864, 6941), (3938, 5048)]