18978684

素因数分解:

$2^2\times 3^1\times {\mathrm{577}}^1\times {\mathrm{2741}}^1$

素因数の和:3325

約数の個数: 24

約数和(自身を含む): 44376528

約数和(自身を除く): 25397844

約数列:

[1, 2, 3, 4, 6, 12, 577, 1154, 1731, 2308, 2741, 3462, 5482, 6924, 8223, 10964, 16446, 32892, 1581557, 3163114, 4744671, 6326228, 9489342, 18978684]

約数ペア:

[(1, 18978684), (2, 9489342), (3, 6326228), (4, 4744671), (6, 3163114), (12, 1581557), (577, 32892), (1154, 16446), (1731, 10964), (2308, 8223), (2741, 6924), (3462, 5482)]