18532899

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 15612381

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 63, 77, 99, 141, 231, 329, 423, 517, 569, 693, 987, 1551, 1707, 2961, 3619, 3983, 4653, 5121, 6259, 10857, 11949, 18777, 26743, 32571, 35847, 43813, 56331, 80229, 131439, 187201, 240687, 294173, 394317, 561603, 882519, 1684809, 2059211, 2647557, 6177633, 18532899]

約数ペア:

[(1, 18532899), (3, 6177633), (7, 2647557), (9, 2059211), (11, 1684809), (21, 882519), (33, 561603), (47, 394317), (63, 294173), (77, 240687), (99, 187201), (141, 131439), (231, 80229), (329, 56331), (423, 43813), (517, 35847), (569, 32571), (693, 26743), (987, 18777), (1551, 11949), (1707, 10857), (2961, 6259), (3619, 5121), (3983, 4653)]